+ farcaster-cast-retrieval

> Farcaster cast retrieval

// Retrieves a Farcaster cast (post) by hash or URL including replies and reactions

socialfarcastercastpost

Retrieves a Farcaster cast (post) by hash or URL including replies and reactions. Agents can request it by capability ID social.farcaster.cast, or by plain intent — EntRoute resolves phrases like “farcaster cast”, “farcaster post” and “fc cast” to this capability.

EntRoute currently lists 1 endpoint from 1 provider for social.farcaster.cast, priced at $0.001 per call, settled in USDC on Base. The quickest responds in about 231ms at the 95th percentile. Every endpoint below is re-probed every 10 minutes for a valid 402 payment challenge; the ordering blends measured success rate, latency and price rather than provider claims.

// aliases.json

These phrases resolve to this capability with intent-based discovery.

"farcaster cast" "farcaster post" "fc cast" "warpcast post"
// discover.sh
curl -X POST https://api.entroute.com/discover \
  -H "Content-Type: application/json" \
  -d '{"capability_id": "social.farcaster.cast"}'
// endpoints.json
1 results
#1 Neynar listed
$0.0010
https://api.neynar.com/v2/farcaster/casts
success: 100%
latency: 231ms
// sample request
{
  "casts": "0x...hash1,0x...hash2"
}
// sample response
{
  "result": {
    "casts": [
      {
        "hash": "0x...",
        "text": "Hello Farcaster!",
        "author": {
          "fid": 5650,
          "username": "vitalik"
        },
        "timestamp": "2024-01-15T10:00:00Z",
        "reactions": {
          "likes": 150,
          "recasts": 30
        }
      }
    ]
  }
}
// integrate.md

Use this capability in your agent or application:

TypeScript SDK → MCP Server → REST API →
// faq

Frequently asked questions about Farcaster cast retrieval

How much does a farcaster cast retrieval API call cost?

Endpoints listed for social.farcaster.cast on EntRoute are priced at $0.001 per call. Payment is per request — there is no subscription, account or API key. Prices shown are read from each endpoint's live 402 response, not from a provider-supplied catalogue.

How do AI agents pay for farcaster cast retrieval endpoints?

Via the x402 protocol. The agent calls the endpoint, receives an HTTP 402 Payment Required response describing the price and recipient, signs a stablecoin payment (USDC on Base), and retries the request with proof of payment. The whole exchange takes seconds and needs no human approval.

How many providers offer farcaster cast retrieval?

1 endpoint is currently listed for social.farcaster.cast across 1 provider. That number moves as endpoints are added and as failing ones are demoted.

Are these farcaster cast retrieval endpoints verified?

Each one is probed every 10 minutes to confirm it still returns a well-formed 402 challenge on a payable network. Endpoints whose 7-day success rate drops below 50% are moved out of the ranked list into fallbacks with an explicit exclusion reason, so an agent can decide whether to retry them.

// related capabilities
social.farcaster.channel social

Returns Farcaster channel information including members and recent casts

social.farcaster.user social

Returns Farcaster user profile data including bio, followers, and verification

social.twitter.user social

Returns Twitter/X user profile data including bio, followers, and recent posts

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