# Neynar

## Docs

- [Address User Score Contract](https://docs.neynar.com/docs/address-user-score-contract.md): Get user quality score for an address connected to a Farcaster profile.
- [Build Farcaster Frames & Analytics with Neynar & Frog](https://docs.neynar.com/docs/analytics-frame-neynar-frog.md): In this guide, we’ll learn how to make a frame with the neynar SDK and Frog.fm, within a few minutes! For this demo, it will be a simple rock-paper-scissors game but it will give you an idea of how to create multi-page frames, interact with buttons, and get analytics for your frame with no extra effort.
- [Archive Casts](https://docs.neynar.com/docs/archiving-casts-with-neynar.md): Archiving Farcaster data with Neynar
- [Build Interactive Farcaster Frames with Neynar](https://docs.neynar.com/docs/building-frames.md): Build frames 100x quicker than starting from scratch
- [Cast Action with Analytics](https://docs.neynar.com/docs/cast-action-with-analytics-neynar.md): In this guide, we’ll make a cast action with the neynar SDK and frog.fm, within a few minutes! The cast action will fetch the follower count of the cast's author using its fid and display it.
- [Cast From Inside a Frame](https://docs.neynar.com/docs/casting-from-a-frame.md): In this guide, we'll look at how to build a frame using which people can create casts and perform other actions on the Farcaster app.
- [Find User Subscriptions with Neynar Hypersub](https://docs.neynar.com/docs/common-subscriptions-fabric.md): Finding Hypersub subscriptions on Social Token Protocol (STP) using Neynar
- [Bot Replying with Frames](https://docs.neynar.com/docs/create-a-farcaster-bot-to-reply-with-frames-using-neynar.md): In this guide, we’ll take a look at how to create a Farcaster bot that replies to specific keywords with a frame created on the go specifically for the reply!
- [Cast Stream](https://docs.neynar.com/docs/create-a-stream-of-casts.md): Fetch stream of casts with Farcaster hubs
- [Create Multi Step Cast Action](https://docs.neynar.com/docs/create-multi-step-cast-action.md): In this guide, we’ll make a multi-step cast action, within a few minutes! The cast action will go ahead and return a frame which will show the cast hash.
- [Create Transaction Frames](https://docs.neynar.com/docs/create-transaction-frames.md)
- [Create Farcaster Mini App (v2 frame) in < 60s](https://docs.neynar.com/docs/create-v2-farcaster-frame-in-60s.md): Create a v2 Farcaster frame in less than 60 seconds
- [Deploy a Token on Base with 1 API Call](https://docs.neynar.com/docs/deploy-token-on-base-with-api-call.md): This guide provides a step-by-step process to deploy a fungible token on the Base network using Neynar's API. The deployment process is simplified to a single API call, eliminating the need for developers to write Solidity code or handle on-chain transaction signing. Neynar covers the on-chain deployment fees and assigns the specified owner address as the token owner.
- [Farcaster Actions Spec](https://docs.neynar.com/docs/farcaster-actions-spec.md)
- [Farcaster Bot with Dedicated Signers](https://docs.neynar.com/docs/farcaster-bot-with-dedicated-signers.md): Create a Farcaster bot on Neynar in a few quick steps
- [For-you Feed with External Providers](https://docs.neynar.com/docs/feed-for-you-w-external-providers.md): Retrieve a personalized For You feed for a user with other providers like OpenRank and MBD
- [Casts by Embed in Farcaster](https://docs.neynar.com/docs/fetch-casts-by-embed-in-farcaster.md): Show Farcaster casts that have attachments with Neynar
- [Relevant Holders for Coins on Base](https://docs.neynar.com/docs/fetch-relevant-holders-for-coin-on-base.md): This guide provides a comprehensive overview of how to use the Neynar API to fetch relevant holders of a fungible token on the Base network.
- [Fetch signers](https://docs.neynar.com/docs/fetch-signers-1.md): The following guides show how to fetch signers if you don't have access to the custody address mnemonic of the user
- [Fetch Signers - Backend](https://docs.neynar.com/docs/fetch-signers-backend.md): This guide demonstrates how to get a list of signers for an account if the developer has the user's mnemonic/account private key (If not check: [Frontend (Wallet Integration)](docs/fetch-signers-frontend-wallet-integration))
- [Fetch Signers - Frontend (Wallet Integration)](https://docs.neynar.com/docs/fetch-signers-frontend-wallet-integration.md): This guide demonstrates how to get a list of signers for an account if the developer can't access the user's mnemonic. (If the developer has access to the mnemonic, check: [Backend](/docs/fetch-signers-backend))
- [Fetch & Display Farcaster Feeds with Neynar API](https://docs.neynar.com/docs/fetching-casts-from-memes-channel-in-farcaster.md): Show casts from a Farcaster channel with Neynar
- [Notifications in Channel](https://docs.neynar.com/docs/fetching-channel-specific-notification-in-farcaster.md): Show notifications from a specific channel for a Farcaster user
- [User by Wallet Address](https://docs.neynar.com/docs/fetching-farcaster-user-based-on-ethereum-address.md): Find Farcaster user profile based on ethereum address
- [Follow NFT Holders](https://docs.neynar.com/docs/following-all-farcaster-users-owning-cryptopunk.md): How to follow all Farcaster users who own a certain NFT
- [Farcaster Frames with Analytics using Neynar & Framejs](https://docs.neynar.com/docs/framejs-farcaster-frames.md): In this guide, we’ll learn how to make a frame with the neynar SDK and Framejs, within a few minutes! For this demo, it will be a simple rock-paper-scissors game but it will give you an idea of how to create multi-page frames, interact with buttons, and get analytics for your frame with no extra effort.
- [From Kafka Stream](https://docs.neynar.com/docs/from-kafka-stream.md): Ingest hydrated events from a hosted Kafka stream (as compared to dehydrated events from gRPC hub)
- [Getting Started](https://docs.neynar.com/docs/getting-started-with-neynar.md): Start building on Farcaster with Neynar
- [Storage Units Allocation](https://docs.neynar.com/docs/getting-storage-units-allocation-of-farcaster-user.md): Fetch data about a user's storage allocation on Farcaster network with Neynar
- [Create a Farcaster Account with Wallet Integration](https://docs.neynar.com/docs/guide-to-creating-a-farcaster-account-with-wallet-integration.md): This document outlines the steps to successfully create a Farcaster account without having a end user mnemonic.
- [Frame Validation](https://docs.neynar.com/docs/how-to-a-frame-action-against-farcaster-hub-with-neynar-api.md): Validate incoming frame actions to get genuine data
- [Frame Quickstart](https://docs.neynar.com/docs/how-to-build-farcaster-frames-with-neynar.md): Build it 10x quicker than starting from scratch
- [Choose Among Data Products](https://docs.neynar.com/docs/how-to-choose-the-right-data-product-for-you.md): Pick between pulling or pushing data in the format that works for you
- [React client](https://docs.neynar.com/docs/how-to-create-a-client.md): This guide will look at creating a Farcaster client using Next.js and the Neynar React SDK.
- [Create Via Script](https://docs.neynar.com/docs/how-to-create-a-farcaster-bot.md): Create a Farcaster bot on Neynar in a few quick steps
- [Create new Farcaster Account](https://docs.neynar.com/docs/how-to-create-a-new-farcaster-account-with-neynar.md): Currently, this API is allowlisted. Please get in touch with us if you wish to access this feature.
- [Dynamic Frame Creation](https://docs.neynar.com/docs/how-to-create-frames-using-the-neynar-sdk.md): Take a look at how to create frames on the fly using our SDK
- [Programmatic Webhooks](https://docs.neynar.com/docs/how-to-create-webhooks-on-the-go-using-the-sdk.md): Neynar webhooks are a way to receive real-time updates about events on the Farcaster protocol. You can use webhooks to build integrations that respond to events on the protocol, such as when a user creates a cast or when a user updates their profile.
- [Customize SIWN](https://docs.neynar.com/docs/how-to-customize-sign-in-with-neynar-button-in-your-app.md): Customize the Farcaster sign in experience for your users
- [Overview](https://docs.neynar.com/docs/how-to-embed-farcaster-frames-in-your-app-with-neynar.md): Host Frames on your product and let users interact with them directly
- [Mutual Follows/Followers](https://docs.neynar.com/docs/how-to-fetch-mutual-followfollowers-in-farcaster.md): Find mutual follows with another Farcaster user
- [User Balances Directly with FID](https://docs.neynar.com/docs/how-to-fetch-user-balance-using-farcaster-fid.md): This guide provides a step-by-step approach to fetching token balances for a user using their Farcaster FID via the Neynar API.
- [Warpcast URLs](https://docs.neynar.com/docs/how-to-get-cast-information-from-warpcast-url.md): Convert Warpcast URL into full cast data from Farcaster network through Neynar
- [Trending Feed on Farcaster](https://docs.neynar.com/docs/how-to-get-trending-casts-on-farcaster.md): Show casts trending on the Farcaster network through Neynar
- [Frame Interactions](https://docs.neynar.com/docs/how-to-handle-frame-interactions-with-the-neynar-api.md): In this guide, we'll go over how to use our `POST frame/action` API to handle frame interactions on your backend.
- [How to Ingest](https://docs.neynar.com/docs/how-to-ingest.md): Simple guide on how to ingest parquet files for Farcaster data
- [SIWN: Connect Farcaster accounts](https://docs.neynar.com/docs/how-to-let-users-connect-farcaster-accounts-with-write-access-for-free-using-sign-in-with-neynar-siwn.md): Connect for free using Sign In with Neynar (SIWN). The app gets read and/or write access, Neynar pays for onchain registration.
- [Neynar SQL Playground](https://docs.neynar.com/docs/how-to-query-neynar-sql-playground-for-farcaster-data.md): Query real time Farcaster data for your data analyses, create and share dashboards
- [Webhooks in Dashboard](https://docs.neynar.com/docs/how-to-setup-webhooks-from-the-dashboard.md): User Neynar dev portal to set up webhooks for your app
- [How to Use the Neynar Feed API](https://docs.neynar.com/docs/how-to-use-the-feed-api-1.md): A guide on how to get feed from the Feed API using fid, fids, and parent_url.
- [Verify Webhooks](https://docs.neynar.com/docs/how-to-verify-the-incoming-webhooks-using-signatures.md): This guide highlights the steps to verify incoming webhooks using signatures
- [HTML & OpenGraph Metadata in Frames](https://docs.neynar.com/docs/html-metadata-in-frames-and-catalogs.md): Neynar's API now supports HTML metadata for frames and catalogs, providing rich information about embedded content. This feature allows you to access Open Graph (OG) data and oEmbed information for frames and catalogs, similar to how it works with casts.
- [Username Search](https://docs.neynar.com/docs/implementing-username-search-suggestion-in-your-farcaster-app.md): Show good recommendations when users search for Farcaster users in your app
- [Indexer Service](https://docs.neynar.com/docs/indexer-service-pipe-farcaster-data.md): Pipe Farcaster data, or subsets of it, directly into your db
- [Write Data with Managed Signers](https://docs.neynar.com/docs/integrate-managed-signers.md): Write to Farcaster protocol and let Neynar manage your signers for you
- [Like & Recast](https://docs.neynar.com/docs/liking-and-recasting-with-neynar-sdk.md): Add "like" and "recast" reactions on Farcaster casts
- [Listen for @bot Mentions](https://docs.neynar.com/docs/listen-for-bot-mentions.md): Get notified when someone tags your bot in a cast
- [Make Agents Prompt Transactions](https://docs.neynar.com/docs/make-agents-prompt-transactions.md): Agents prompt transactions to humans with Farcaster frames
- [Farcaster Feed of NFT Owners](https://docs.neynar.com/docs/making-a-farcaster-feed-of-miladies.md): Make a Farcaster feed showing casts from a specific set of users
- [Mutes, Blocks, and Bans](https://docs.neynar.com/docs/mutes-blocks-and-bans.md): Hide users and their activity based on user or developer preference
- [Developer Ecosystem](https://docs.neynar.com/docs/neynar-developer-ecosystem-for-farcaster.md): Building blocks for developing on Farcaster protocol with Neynar infrastructure
- [Set up Neynar with Cursor](https://docs.neynar.com/docs/neynar-farcaster-with-cursor.md): Start developing on Farcaster with Neynar and AI enabled Cursor
- [Neynar User Score](https://docs.neynar.com/docs/neynar-user-quality-score.md): Check for quality users using Neynar's user score
- [Webhooks with DCs](https://docs.neynar.com/docs/neynar-webhooks-warpcast-dcs.md): In this guide, we’ll make a webhook which will send a DC to the user based on any action they perform on Farcaster! For this guide, I'll send direct casts to people whose casts include a specific keyword.
- [From Parquet Exports](https://docs.neynar.com/docs/parquet.md): Ingest farcaster data into your database or data warehouse from parquet exports
- [Parquet Schema](https://docs.neynar.com/docs/parquet-schema.md): Schema for data available in parquet ingestion
- [Write Casts to Channel](https://docs.neynar.com/docs/posting-dank-memes-to-farcasters-memes-channel-with-neynars-sdk.md): Write casts to a Farcaster channel with Neynar
- [Rank High Quality Conversations](https://docs.neynar.com/docs/ranking-for-high-quality-conversations.md): Neynar APIs rank high quality casts higher
- [SIWN: React](https://docs.neynar.com/docs/react-implementation.md): In this guide, we'll take a look at how to implement sign-in with neynar in a React app. For this guide, I am going to be using next.js but the same would work for CRA, remix, or anything based on react!
- [Indexer Service Requirements](https://docs.neynar.com/docs/requirements-for-indexer-service.md): Reach out if you have questions
- [Send Notifications to Frame Users](https://docs.neynar.com/docs/send-notifications-to-frame-users.md): This guide walks you through a simple setup for enabling notifications for your Frame
- [SIWN: React Native](https://docs.neynar.com/docs/sign-in-with-neynar-react-native-implementation.md): In this guide, we'll take a look at how to add sign-in with neynar to a React native application!
- [Supercharge EVM & Solana Sign-in](https://docs.neynar.com/docs/supercharge-your-sign-in-with-ethereum-onboarding-with-farcaster.md): Supercharge Sign In with Ethereum and/or Solana in your app with Farcaster profile and social graph data
- [Trending Feed with External Providers](https://docs.neynar.com/docs/trending-feed-w-external-providers.md): Get Farcaster trending casts on a feed with other providers like OpenRank and MBD
- [Sponsor Signers](https://docs.neynar.com/docs/two-ways-to-sponsor-a-farcaster-signer-via-neynar.md): Sponsor it yourself or let Neynar pay for it
- [ETH Address FID Contract](https://docs.neynar.com/docs/verifications-contract.md): Get an addresses' connected fid on-chain.
- [Notifications for FID](https://docs.neynar.com/docs/what-does-dwreths-farcaster-notification-look-like.md): Fetch notifications for any Farcaster user
- [Feed of Given Farcaster FID](https://docs.neynar.com/docs/what-does-vitalikeths-farcaster-feed-look-like.md): Show a personalized feed of casts for a specific user on Farcaster
- [Choose the Right Signer](https://docs.neynar.com/docs/which-signer-should-you-use-and-why.md): Understand the differences between the various ways to manage signers and pick the right one for your app
- [Compute Units Pricing](https://docs.neynar.com/external-link-0.md)
- [NodeJS-SDK](https://docs.neynar.com/external-link-1.md)
- [Frontend React SDK](https://docs.neynar.com/external-link-2.md)
- [OpenAPI Specification](https://docs.neynar.com/external-link-3.md)
- [Example Apps](https://docs.neynar.com/external-link-4.md)
- [null](https://docs.neynar.com/index.md)
- [Buy storage](https://docs.neynar.com/reference/buy-storage.md): This api will help you rent units of storage for an year for a specific FID.
A storage unit lets you store 5000 casts, 2500 reactions and 2500 links.

- [Create signer](https://docs.neynar.com/reference/create-signer.md): Creates a signer and returns the signer status. \
**Note**: While tesing please reuse the signer, it costs money to approve a signer.

- [Create transaction pay frame](https://docs.neynar.com/reference/create-transaction-pay-frame.md): Creates a new transaction pay frame that can be used to collect payments through a frame
- [Unban FIDs from app](https://docs.neynar.com/reference/delete-bans.md): Deletes a list of FIDs from the app associated with your API key.
- [Unblock FID](https://docs.neynar.com/reference/delete-block.md): Deletes a block for a given FID.
- [Delete a cast](https://docs.neynar.com/reference/delete-cast.md): Delete an existing cast. \
(In order to delete a cast `signer_uuid` must be approved)

- [Unmute FID](https://docs.neynar.com/reference/delete-mute.md): Deletes a mute for a given FID. This is an allowlisted API, reach out if you want access.
- [Delete frame](https://docs.neynar.com/reference/delete-neynar-frame.md): Delete an existing frame, if it was made by the developer (identified by API key)
- [Delete reaction](https://docs.neynar.com/reference/delete-reaction.md): Delete a reaction (like or recast) to a cast \
(In order to delete a reaction `signer_uuid` must be approved)

- [Delete verification](https://docs.neynar.com/reference/delete-verification.md): Removes verification for an eth address for the user \
(In order to delete verification `signer_uuid` must be approved)

- [Delete a webhook](https://docs.neynar.com/reference/delete-webhook.md): Delete a webhook
- [Deploy fungible](https://docs.neynar.com/reference/deploy-fungible.md): Creates a new token.
This is an allowlisted API, reach out if you want access.

- [Developer hosted frames](https://docs.neynar.com/reference/developer-frames.md): Build your own frames and use Neynar to
- [Fetch all channels with their details](https://docs.neynar.com/reference/fetch-all-channels.md): Returns a list of all channels with their details
- [For user](https://docs.neynar.com/reference/fetch-all-notifications.md): Returns a list of notifications for a specific FID.
- [Fetch authorization url](https://docs.neynar.com/reference/fetch-authorization-url.md): Fetch authorization url (Fetched authorized url useful for SIWN login operation)
- [Banned FIDs of app](https://docs.neynar.com/reference/fetch-ban-list.md): Fetches all FIDs that your app has banned.
- [Blocked / Blocked by FIDs](https://docs.neynar.com/reference/fetch-block-list.md): Fetches all FIDs that a user has blocked or has been blocked by
- [Bulk fetch casts](https://docs.neynar.com/reference/fetch-bulk-casts.md): Fetch multiple casts using their respective hashes.
- [Bulk fetch](https://docs.neynar.com/reference/fetch-bulk-channels.md): Returns details of multiple channels
- [By FIDs](https://docs.neynar.com/reference/fetch-bulk-users.md): Fetches information about multiple users based on FIDs
- [By Eth or Sol addresses](https://docs.neynar.com/reference/fetch-bulk-users-by-eth-or-sol-address.md): Fetches all users based on multiple Ethereum or Solana addresses.

Each farcaster user has a custody Ethereum address and optionally verified Ethereum or Solana addresses. This endpoint returns all users that have any of the given addresses as their custody or verified Ethereum or Solana addresses.

A custody address can be associated with only 1 farcaster user at a time but a verified address can be associated with multiple users.
You can pass in Ethereum and Solana addresses, comma separated, in the same request. The response will contain users associated with the given addresses.
- [Metrics for casts](https://docs.neynar.com/reference/fetch-cast-metrics.md): Fetches metrics casts matching a query
- [Reactions for cast](https://docs.neynar.com/reference/fetch-cast-reactions.md): Fetches reactions for a given cast
- [On cast](https://docs.neynar.com/reference/fetch-cast-reactions-1.md): Retrieve all reactions (likes or recasts) on a specific cast in the Farcaster network. The cast is identified by its creator's FID and unique hash. This endpoint helps track engagement metrics and user interactions with specific content.
- [By parent cast](https://docs.neynar.com/reference/fetch-casts-by-parent.md): Retrieve all reply casts (responses) to a specific parent cast in the Farcaster network. Parent casts can be identified using either a combination of FID and hash, or by their URL. This endpoint enables traversal of conversation threads and retrieval of all responses to a particular cast.
- [Chronologically](https://docs.neynar.com/reference/fetch-casts-for-user.md): Fetch casts for a given user FID in reverse chronological order. Also allows filtering by parent_url and channel
- [Mentioning an FID](https://docs.neynar.com/reference/fetch-casts-mentioning-user.md): Fetch casts mentioning a user.
- [Open invites](https://docs.neynar.com/reference/fetch-channel-invites.md): Fetch a list of invites, either in a channel or for a user. If both are provided, open channel invite for that user is returned.
- [Fetch members](https://docs.neynar.com/reference/fetch-channel-members.md): Fetch a list of members in a channel
- [For user by channel](https://docs.neynar.com/reference/fetch-channel-notifications-for-user.md): Returns a list of notifications for a user in specific channels
- [Fetch composer actions](https://docs.neynar.com/reference/fetch-composer-actions.md): Fetches all composer actions on Warpcast. You can filter by top or featured.
- [Embedded URL metadata](https://docs.neynar.com/reference/fetch-embedded-url-metadata.md): Crawls the given URL and returns metadata useful when embedding the URL in a cast.
- [Page of events](https://docs.neynar.com/reference/fetch-events.md): Fetch a list of events.
- [By filters](https://docs.neynar.com/reference/fetch-feed.md): Fetch casts based on filters. Ensure setting the correct parameters based on the feed_type and filter_type.
- [By channel IDs](https://docs.neynar.com/reference/fetch-feed-by-channel-ids.md): Fetch feed based on channel IDs
- [By parent URLs](https://docs.neynar.com/reference/fetch-feed-by-parent-urls.md): Fetch feed based on parent URLs
- [For you](https://docs.neynar.com/reference/fetch-feed-for-you.md): Fetch a personalized For You feed for a user
- [Fetch a list of all the FIDs](https://docs.neynar.com/reference/fetch-fids.md): Fetch a list of all the FIDs.
- [Suggest Follows](https://docs.neynar.com/reference/fetch-follow-suggestions.md): Fetch a list of suggested users to follow. Used to help users discover new users to follow
- [For channel](https://docs.neynar.com/reference/fetch-followers-for-a-channel.md): Returns a list of followers for a specific channel. Max limit is 1000. Use cursor for pagination.
- [Frames Catalog](https://docs.neynar.com/reference/fetch-frame-catalog.md): A curated list of featured frames
- [Meta tags from URL](https://docs.neynar.com/reference/fetch-frame-meta-tags-from-url.md): Fetches the frame meta tags from the URL
- [Casts with Frames](https://docs.neynar.com/reference/fetch-frames-only-feed.md): Fetch feed of casts with Frames, reverse chronological order
- [Muted FIDs of user](https://docs.neynar.com/reference/fetch-mute-list.md): Fetches all FIDs that a user has muted.
- [List of frames](https://docs.neynar.com/reference/fetch-neynar-frames.md): Fetch a list of frames made by the developer (identified by API key)
- [Fetch nonce](https://docs.neynar.com/reference/fetch-nonce.md): Nonce to sign a message
- [List of frame notification tokens
](https://docs.neynar.com/reference/fetch-notification-tokens.md): Returns a list of notifications tokens related for an app

- [For user by parent_urls](https://docs.neynar.com/reference/fetch-notifications-by-parent-url-for-user.md): Returns a list of notifications for a user in specific parent_urls
- [10 most popular casts](https://docs.neynar.com/reference/fetch-popular-casts-by-user.md): Fetch 10 most popular casts for a given user FID; popularity based on replies, likes and recasts; sorted by most popular first
- [Power users](https://docs.neynar.com/reference/fetch-power-users.md): Fetches power users based on Warpcast power badges. Information is updated once a day.
- [Power user FIDs](https://docs.neynar.com/reference/fetch-power-users-lite.md): Fetches power users and respond in a backwards compatible format to Warpcast's deprecated power badge endpoint.
- [To a target URL](https://docs.neynar.com/reference/fetch-reactions-by-target.md): Fetch all reactions of a specific type (like or recast) that target a given URL. This endpoint is useful for tracking engagement with content across the Farcaster network.
- [Relevant followers](https://docs.neynar.com/reference/fetch-relevant-followers.md): Returns a list of relevant followers for a specific FID. This usually shows on a profile as "X, Y and Z follow this user".
- [Relevant followers](https://docs.neynar.com/reference/fetch-relevant-followers-for-a-channel.md): Returns a list of relevant channel followers for a specific FID. This usually shows on a channel as "X, Y, Z follow this channel".
- [Relevant owners](https://docs.neynar.com/reference/fetch-relevant-fungible-owners.md): Fetch a list of relevant owners for a specific FID. This usually shows on a fungible asset page as "X, Y, Z and N others you know own this asset".
- [Replies and recasts](https://docs.neynar.com/reference/fetch-replies-and-recasts-for-user.md): Fetch recent replies and recasts for a given user FID; sorted by most recent first
- [List signers](https://docs.neynar.com/reference/fetch-signers.md): Fetches a list of signers for a custody address
- [Subscribed to](https://docs.neynar.com/reference/fetch-subscribed-to-for-fid.md): Fetch what FIDs and contracts a FID is subscribed to.
- [Subscribers of a user](https://docs.neynar.com/reference/fetch-subscribers-for-fid.md): Fetch subscribers for a given FID's contracts. Doesn't return addresses that don't have an FID.
- [Hypersub subscription check](https://docs.neynar.com/reference/fetch-subscription-check.md): Check if a wallet address is subscribed to a given STP (Hypersub) contract.
- [Subscriptions created by FID](https://docs.neynar.com/reference/fetch-subscriptions-for-fid.md): Fetch created subscriptions for a given FID's.
- [Channels by activity](https://docs.neynar.com/reference/fetch-trending-channels.md): Returns a list of trending channels based on activity
- [Trending feeds](https://docs.neynar.com/reference/fetch-trending-feed.md): Fetch trending casts or on the global feed or channels feeds. 7d time window available for channel feeds only.
- [Token balance](https://docs.neynar.com/reference/fetch-user-balance.md): Fetches the token balances of a user given their FID
- [Member of](https://docs.neynar.com/reference/fetch-user-channel-memberships.md): Returns a list of all channels with their details that an FID is a member of. Data may have a delay of up to 1 hour.
- [Following](https://docs.neynar.com/reference/fetch-user-channels.md): Returns a list of all channels with their details that a FID follows.
- [Fetch UserData for a FID](https://docs.neynar.com/reference/fetch-user-data.md): **Note:** one of two different response schemas is returned based on whether the caller provides the `user_data_type` parameter. If included, a single `UserDataAdd` message is returned (or a `not_found` error). If omitted, a paginated list of `UserDataAdd` messages is returned instead.
- [Followers](https://docs.neynar.com/reference/fetch-user-followers.md): Returns a list of followers for a specific FID.
- [To target FID](https://docs.neynar.com/reference/fetch-user-followers-1.md): Fetch a list of users that are following a user.
- [Following](https://docs.neynar.com/reference/fetch-user-following.md): Fetch a list of users who a given user is following. Can optionally include a viewer_fid and sort_type.
- [From source FID](https://docs.neynar.com/reference/fetch-user-following-1.md): Fetch a list of users that a user is following.
- [Following](https://docs.neynar.com/reference/fetch-user-following-feed.md): Fetch feed based on who a user is following
- [Fetch User Information](https://docs.neynar.com/reference/fetch-user-information.md)
- [User interactions](https://docs.neynar.com/reference/fetch-user-interactions.md): Returns a list of interactions between two users
- [Fetch a list of on-chain events provided by an FID](https://docs.neynar.com/reference/fetch-user-on-chain-events.md): Fetch on-chain events provided by a user.
- [Fetch a list of signers provided by an FID](https://docs.neynar.com/reference/fetch-user-on-chain-signers-events.md): **Note:** one of two different response schemas is returned based on whether the caller provides the `signer` parameter. If included, a single `OnChainEventSigner` message is returned (or a `not_found` error). If omitted, a non-paginated list of `OnChainEventSigner` messages is returned instead.
- [Reactions for user](https://docs.neynar.com/reference/fetch-user-reactions.md): Fetches reactions for a given user
- [By FID](https://docs.neynar.com/reference/fetch-user-reactions-1.md): Fetch reactions by a user.
- [Proof for a username](https://docs.neynar.com/reference/fetch-username-proof-by-name.md): Fetch a proof for a username.
- [Proofs provided by an FID](https://docs.neynar.com/reference/fetch-username-proofs-by-fid.md): Fetch proofs provided by a user.
- [Fetch channels that user is active in](https://docs.neynar.com/reference/fetch-users-active-channels.md): Fetches all channels that a user has casted in, in reverse chronological order.
- [By location](https://docs.neynar.com/reference/fetch-users-by-location.md): Fetches a list of users given a location
- [By FID](https://docs.neynar.com/reference/fetch-users-casts-1.md): Fetch user's casts.
- [Analytics for the frame](https://docs.neynar.com/reference/fetch-validate-frame-analytics.md): Fetch analytics for total-interactors, interactors, nteractions-per-cast and input-text.
- [All frames validated by user](https://docs.neynar.com/reference/fetch-validate-frame-list.md): Fetch a list of all the frames validated by a user
- [Provided by an FID](https://docs.neynar.com/reference/fetch-verifications-by-fid.md): Fetch verifications provided by a user.
- [Associated webhooks of user](https://docs.neynar.com/reference/fetch-webhooks.md): Fetch a list of webhooks associated to a user
- [Follow a channel](https://docs.neynar.com/reference/follow-channel.md): Follow a channel
- [Follow user](https://docs.neynar.com/reference/follow-user.md): Follow a user \
(In order to follow a user `signer_uuid` must be approved)

- [Fetch fresh FID](https://docs.neynar.com/reference/get-fresh-account-fid.md): Fetches FID to [assign it to new user](https://docs.neynar.com/reference/register-account)
- [Get transaction pay frame](https://docs.neynar.com/reference/get-transaction-pay-frame.md): Retrieves details about a transaction pay frame by ID
- [Getting Started with Neynar NodeJS SDK](https://docs.neynar.com/reference/getting-started-with-sdk.md): Easily call Neynar APIs with our nodejs sdk
- [Invite](https://docs.neynar.com/reference/invite-channel-member.md): Invite a user to a channel
- [Check fname availability](https://docs.neynar.com/reference/is-fname-available.md): Check if a given fname is available
- [By FID and Hash](https://docs.neynar.com/reference/lookup-cast-by-hash-and-fid.md): Lookup a cast by its FID and hash.
- [By hash or URL](https://docs.neynar.com/reference/lookup-cast-by-hash-or-warpcast-url.md): Gets information about an individual cast by passing in a Warpcast web URL or cast hash
- [Conversation for a cast](https://docs.neynar.com/reference/lookup-cast-conversation.md): Gets all casts related to a conversation surrounding a cast by passing in a cast hash or Warpcast URL. Includes all the ancestors of a cast up to the root parent in a chronological order. Includes all direct_replies to the cast up to the reply_depth specified in the query parameter.
- [Cast conversation summary](https://docs.neynar.com/reference/lookup-cast-conversation-summary.md): Generates a summary of all casts related to a conversation surrounding a cast by passing in a cast hash or Warpcast URL.  Summary is generated by an LLM and is intended to be passed as a context to AI agents.

- [By ID or parent_url](https://docs.neynar.com/reference/lookup-channel.md): Returns details of a channel
- [Status by public key](https://docs.neynar.com/reference/lookup-developer-managed-signer.md): Fetches the status of a developer managed signer by public key
- [Event by ID](https://docs.neynar.com/reference/lookup-event.md): Lookup an event by its ID.
- [Sync Methods](https://docs.neynar.com/reference/lookup-hub-info.md): Retrieve hub information.
- [Frame by UUID or URL](https://docs.neynar.com/reference/lookup-neynar-frame.md): Fetch a frame either by UUID or Neynar URL
- [Fetch an on-chain ID Registry Event for a given Address](https://docs.neynar.com/reference/lookup-on-chain-id-registry-event-by-address.md): Fetch an on-chain ID Registry Event for a given Address.
- [By FID or cast](https://docs.neynar.com/reference/lookup-reaction-by-id.md): Lookup a reaction by its FID or cast.
- [Status](https://docs.neynar.com/reference/lookup-signer.md): Gets information status of a signer by passing in a signer_uuid (Use post API to generate a signer)
- [By custody-address](https://docs.neynar.com/reference/lookup-user-by-custody-address.md): Lookup a user by custody-address
- [By username](https://docs.neynar.com/reference/lookup-user-by-username.md): Fetches a single hydrated user object given a username
- [By its FID and target FID](https://docs.neynar.com/reference/lookup-user-relation.md): Lookup a link by its FID and target FID.
- [Allocation of user](https://docs.neynar.com/reference/lookup-user-storage-allocations.md): Fetches storage allocations for a given user
- [FID's limits](https://docs.neynar.com/reference/lookup-user-storage-limit.md): Fetch a user's storage limits.
- [Usage of user](https://docs.neynar.com/reference/lookup-user-storage-usage.md): Fetches storage usage for a given user
- [Fetch a webhook](https://docs.neynar.com/reference/lookup-webhook.md): Fetch a webhook
- [Mark as seen](https://docs.neynar.com/reference/mark-notifications-as-seen.md): Mark notifications as seen
- [Using Github Copilot](https://docs.neynar.com/reference/migrate-to-neynar-nodejs-sdk-v2-using-github-copilot.md)
- [SDK v1 to v2 migration guide](https://docs.neynar.com/reference/neynar-nodejs-sdk-v1-to-v2-migration-guide.md)
- [Post a frame action, cast action or a cast composer action](https://docs.neynar.com/reference/post-frame-action.md): Post frame actions, cast actions or cast composer actions to the server  \
(In order to post any of these actions, you need to have an approved `signer_uuid`)

The POST request to the post_url has a timeout of 5 seconds for frames.

- [Signature packet](https://docs.neynar.com/reference/post-frame-action-developer-managed.md): Post a frame action that has been signed with a developer managed signer

The POST request to the post_url has a timeout of 5 seconds.

- [Ban FIDs from app](https://docs.neynar.com/reference/publish-bans.md): Bans a list of FIDs from the app associated with your API key. Banned users, their casts and reactions will not appear in feeds.
- [Block FID](https://docs.neynar.com/reference/publish-block.md): Adds a block for a given FID.
- [Post a cast](https://docs.neynar.com/reference/publish-cast.md): Posts a cast or cast reply. Works with mentions and embeds.  
(In order to post a cast `signer_uuid` must be approved)

- [User actions across apps](https://docs.neynar.com/reference/publish-farcaster-action.md): Securely communicate and perform actions on behalf of users across different apps. It enables an app to send data or trigger actions in another app on behalf of a mutual user by signing messages using the user's Farcaster signer.
- [Send notifications](https://docs.neynar.com/reference/publish-frame-notifications.md): Send notifications to interactors of a frame

- [Submit signed message](https://docs.neynar.com/reference/publish-message.md): Submit a message to the Farcaster network.
- [Publish message](https://docs.neynar.com/reference/publish-message-to-farcaster.md): Publish a message to farcaster. The message must be signed by a signer managed by the developer. Use the @farcaster/core library to construct and sign the message. Use the Message.toJSON method on the signed message and pass the JSON in the body of this POST request.
- [Mute FID](https://docs.neynar.com/reference/publish-mute.md): Adds a mute for a given FID. This is an allowlisted API, reach out if you want access.
- [Create frame](https://docs.neynar.com/reference/publish-neynar-frame.md): Create a new frame with a list of pages.
- [Post a reaction](https://docs.neynar.com/reference/publish-reaction.md): Post a reaction (like or recast) to a given cast \
(In order to post a reaction `signer_uuid` must be approved)

- [Add verification](https://docs.neynar.com/reference/publish-verification.md): Adds verification for an eth address or contract for the user \
(In order to add verification `signer_uuid` must be approved)

- [Create a webhook](https://docs.neynar.com/reference/publish-webhook.md): Create a webhook
- [Quickstart](https://docs.neynar.com/reference/quickstart.md): Start building on Farcaster with Neynar
- [Register new account](https://docs.neynar.com/reference/register-account.md): Register account on farcaster.

**Note:** This API must be called within 10 minutes of the fetch FID API call (i.e., /v2/farcaster/user/fid). Otherwise, Neynar will assign this FID to another available user.

- [Register New user](https://docs.neynar.com/reference/register-new-user.md): Register new user on Farcaster protocol
- [Register Signed Key](https://docs.neynar.com/reference/register-signed-key.md): Registers an signed key and returns the developer managed signer status with an approval url.
- [Register Signed Key](https://docs.neynar.com/reference/register-signed-key-for-developer-managed-signer.md): Registers an app FID, deadline and a signature. Returns the signer status with an approval url.
- [Remove user](https://docs.neynar.com/reference/remove-channel-member.md): Remove a user from a channel or a user's invite to a channel role
- [Accept or reject an invite](https://docs.neynar.com/reference/respond-channel-invite.md): Accept or reject a channel invite
- [Search for casts](https://docs.neynar.com/reference/search-casts.md): Search for casts based on a query string, with optional AND filters
- [Search by ID or name](https://docs.neynar.com/reference/search-channels.md): Returns a list of channels based on ID or name
- [Search for Usernames](https://docs.neynar.com/reference/search-user.md): Search for Usernames
- [Unfollow a channel](https://docs.neynar.com/reference/unfollow-channel.md): Unfollow a channel
- [Unfollow user](https://docs.neynar.com/reference/unfollow-user.md): Unfollow a user \
(In order to unfollow a user `signer_uuid` must be approved)

- [Update Follow / Unfollow](https://docs.neynar.com/reference/update-follow-unfollow.md): Follow a new user or unfollow an existing user, for a given Farcaster user
- [Update frame](https://docs.neynar.com/reference/update-neynar-frame.md): Update an existing frame with a list of pages, if it was made by the developer (identified by API key)
- [Update user profile](https://docs.neynar.com/reference/update-user.md): Update user profile \
(In order to update user's profile `signer_uuid` must be approved)

- [Overview](https://docs.neynar.com/reference/update-user-profile-1.md): Update profile information and connected addresses
- [Update a webhook](https://docs.neynar.com/reference/update-webhook.md): Update a webhook
- [Update webhook status](https://docs.neynar.com/reference/update-webhook-active-status.md): Update webhook active status
- [Validate frame action](https://docs.neynar.com/reference/validate-frame-action.md): Validates a frame against by an interacting user against a Farcaster Hub \
(In order to validate a frame, message bytes from Frame Action must be provided in hex)

- [Validate signed message](https://docs.neynar.com/reference/validate-message.md): Validate a message on the Farcaster network.
- [Rate Limits](https://docs.neynar.com/reference/what-are-the-rate-limits-on-neynar-apis.md): Rate limits are set per subscription plan


## Optional

- [Status](https://status.neynar.com/)
- [Blog](https://neynar.com/blog)