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Refers to this set of APIs: Create frame

In this guide, we’ll look at creating Farcaster frames with the neynar SDK without worrying about creating a new web app, hosting it, and all the hassle. Just write the code for your frame, call the API to publish, and you’re done! This can be useful in many places, especially if you want to generate frames on the fly.

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Creating a new node app

Create a new app by entering the following commands in your terminal: 
mkdir frames-node
cd frames-node
npm init
We are going to need the @neynar/nodejs-sdk, so let’s install that as well: 
yarn add @neynar/nodejs-sdk

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Creating the frame

Once the project is created and the packages are installed, you can open it in your favorite editor and create a new script.js file and add the following: 
import { NeynarAPIClient, Configuration } from "@neynar/nodejs-sdk";

const main = async () => {
  const config = new Configuration({
  apiKey: process.env.NEYNAR_API_KEY,
});

const neynarClient = new NeynarAPIClient(config);

  const creationRequest = {
    name: "gm",
    pages: [
      {
        image: {
          url: "https://remote-image.decentralized-content.com/image?url=https%3A%2F%2Fipfs.decentralized-content.com%2Fipfs%2Fbafybeifjdrcl2p4kmfv2uy3i2wx2hlxxn4hft3apr37lctiqsfdixjy3qi&w=1920&q=75",
          aspect_ratio: "1.91:1",
        },
        title: "Neynar NFT minting frame",
        buttons: [
          {
            action_type: "mint",
            title: "Mint",
            index: 1,
            next_page: {
              mint_url:
                "eip155:8453:0x23687d295fd48db3e85248b734ea9e8fb3fced27:1",
            },
          },
        ],
        input: {
          text: {
            enabled: false,
          },
        },
        uuid: "gm",
        version: "vNext",
      },
    ],
  };

  const frame = await neynarClient.publishNeynarFrame(creationRequest);
  console.log(frame);
};

main();
Make sure to pass your API key in the NeynarAPIClient. Ideally, you should store your API keys in env variables. This is a simple NFT minting frame here. The publishNeynarFrame function accepts an object with a bunch of parameters. Let’s take a look at what they are:
  • name: This will be the name of your frame, and it will be visible only to you on your dashboard
  • pages: This will be an array of the pages to display on the frame; the parameters here are just what you would typically pass in a frame, like image, title, buttons, input, version, etc.
  • next_page: This is where you define what happens when you click the button. Since we are creating an NFT minting frame, it contains the mint_url. But you can pass in redirect_url to redirect to a new page or uuid of a new page, to change the current frame page.
  • mint_url: This is a string I created using data from a collection on zora. The string should be of the form “eip155:chainId:contractAddress:tokenID”. The contract address and token ID can be found from the Zora share URL, which looks somewhat like this https://zora.co/collect/base:0x23687d295fd48db3e85248b734ea9e8fb3fced27/1; you can check out the corresponding chainId of your chain on ChainList. For example, chainId for the base mainnet chain is 8453.
Once you have updated all your metadata and API key, run the script by using the command: 
node script.js
Frame creation
It should return an object similar to this when you run your script, copy the link from here and enter it on the Warpcast validator. Enter your URL and you can inspect the properties of your frame here.

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Mint button won’t work in the validator, to test out the mint button you’ll need to create a new cast

Frame creation
If everything looks good, you can create your cast and share your cast with the world! Lastly, make sure to share what you built with us on Farcaster by tagging @neynar, and if you have any questions, reach out to us on warpcast or Slack!