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By hash or URL
Group: Cast APIs
Use this when you need: By hash or URL.

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Usage

import { NeynarAPIClient, Configuration } from "@neynar/nodejs-sdk";

const client = new NeynarAPIClient(
  new Configuration({ apiKey: "YOUR_NEYNAR_API_KEY" })
);

const res = await client.lookupCastByHashOrUrl({
  identifier: "example", // Cast identifier (It\'s either a URL or a hash)
  type: "value", // The query param accepted by the API. Sent along with identifier param. url - Cast identifier is a url hash - Cast identifier is a hash
  // xNeynarExperimental: true, 
  // viewerFid: 123, 
});
console.log(res);

​
Parameters

ParameterTypeRequiredDescription
identifierstring✅Cast identifier (It's either a URL or a hash)
typeLookupCastByHashOrUrlTypeEnum✅The query param accepted by the API. Sent along with identifier param. url - Cast identifier is a url hash - Cast identifier is a hash
xNeynarExperimentalboolean❌-
viewerFidnumber❌-

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Response

Returns a RequestArgs object.

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Error Handling

try {
  const res = await client.lookupCastByHashOrUrl({
    identifier: "example",
    type: "value"
  });
  // use res
} catch (err) {
  // Axios/HTTP errors, invalid params, auth issues, etc.
  console.error(err);
}

​
Tips

  • Provide a viewerFid when supported to respect mutes/blocks and include viewer_context.
  • Keep requests scoped (e.g., use limit) to improve latency.
  • Cache results where sensible.