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Farcaster User Profile Lookup
x402
Farcaster User Profile Lookup is a paid API for AI agents from api.web3identity.com, paid per call via x402, $0.020000/call, status unknown (last checked 2026-09-15).
Retrieves a Farcaster user's profile data (FID, username, display name, followers) by FID, username, or connected Ethereum address
Price / call$0.020000
Success—
StatusUnknown
How this service works
Get Farcaster user profile by FID, username, or connected address
Output
Returns a JSON object containing the user's Farcaster ID (FID), username, display name, and follower count for the queried user.
Example use cases
Example prompt
“What's the Farcaster profile for jessepollak — I need their FID, display name, and how many followers they have.”
Technical details
Endpoint
GEThttps://api.web3identity.com/api/farcaster/jessepollakWhen to prefer
Use this endpoint when you need to resolve a Farcaster identity from a username, FID, or connected Ethereum address, especially in web3-native workflows where you need social graph data linked to on-chain identities.
Side effects
- Username not found — user does not exist on Farcaster
- Invalid FID format — non-numeric FID provided
- Address not linked to any Farcaster account
- Payment failure — x402 payment of $0.02 USDC not fulfilled
- Rate limiting or upstream Farcaster API unavailability
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"bio": "base builder #001 | DM jessexbt to get started building",
"fid": 99,
"avatar": "https://tba-mobile.mypinata.cloud/ipfs/QmdD5hZrJz1CDVLs2Tg5JLnNR8hjWFVZmMqVWRAWoWYFJd?pinataGatewayToken=3nq0UVhtd3rYmgYDdb1I9qv7rHsw-_DzwdWkZPRQ-QW1avFI9dCS8knaSfq_R5_q",
"source": "warpcast",
"username": "jesse.base.eth",
"verified": false,
"followers": 361533,
"following": 3131,
"timestamp": "2026-06-16T04:04:06.383Z",
"displayName": "Jesse Pollak"
}Tags
x402
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