{
  "x402Version": 2,
  "id": 1616,
  "slug": "1616",
  "resource": "https://agent402.tools/api/fc-cast-search",
  "description": "Search Farcaster casts by keyword (literal, semantic or hybrid match), newest first, optionally filtered to one author or channel. Returns compact casts: hash, author (fid, username, follower count), text, timestamp, channel, reactions, reply count, embed URLs. Use for mention monitoring, sentiment sampling, or finding discussion of a token, product or topic.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:137",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:42161",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:143",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:43114",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:1329",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:10",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
      "amount": "6000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:4663",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:42220",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "upto",
      "network": "eip155:8453",
      "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "stellar:pubnet",
      "payTo": "GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL",
      "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
      "amount": "50000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
      "payTo": "C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE",
      "asset": "31566704",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "limit": 10,
            "q": "x402"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "authorFid": null,
            "cached": false,
            "casts": [
              {
                "author": {
                  "displayName": "askew-ai",
                  "fid": 3117427,
                  "followerCount": 12,
                  "username": "askew-ai"
                },
                "channel": "ai-agents",
                "embeds": [
                  "https://example.com/post"
                ],
                "hash": "0xab5aca846db8af6fa3dc2d25dc66171cd040def4",
                "parentHash": null,
                "reactions": {
                  "likes": 4,
                  "recasts": 1
                },
                "replies": 2,
                "text": "Paid an x402 endpoint for the first time today.",
                "timestamp": "2026-08-22T12:49:27.000Z",
                "url": "https://warpcast.com/askew-ai/0xab5aca84"
              }
            ],
            "channel": null,
            "count": 1,
            "fetchedAt": "2026-08-22T13:19:12.000Z",
            "mode": "literal",
            "nextCursor": "eyJ0aW1lc3RhbXAiOi...",
            "query": "x402",
            "rateLimit": {
              "limit": 300,
              "remaining": 299,
              "resetAt": "2026-08-22T13:20:00.000Z"
            },
            "sort": "desc_chron",
            "source": "neynar"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "authorFid": {
                    "description": "Only casts by this fid.",
                    "type": "integer"
                  },
                  "channel": {
                    "description": "Only casts in this channel id (e.g. base).",
                    "type": "string"
                  },
                  "cursor": {
                    "description": "Opaque pagination cursor from a previous call's nextCursor.",
                    "type": "string"
                  },
                  "limit": {
                    "description": "Results per page (default 25).",
                    "maximum": 100,
                    "minimum": 1,
                    "type": "integer"
                  },
                  "mode": {
                    "description": "Match mode (default literal).",
                    "enum": [
                      "literal",
                      "semantic",
                      "hybrid"
                    ],
                    "type": "string"
                  },
                  "q": {
                    "description": "Search text (1-256 chars).",
                    "type": "string"
                  },
                  "sort": {
                    "description": "Newest first (default) or oldest first.",
                    "enum": [
                      "desc_chron",
                      "chron"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "q"
                ],
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "authorFid": {},
                  "cached": {
                    "type": "boolean"
                  },
                  "casts": {
                    "type": "array"
                  },
                  "channel": {},
                  "count": {
                    "type": "integer"
                  },
                  "fetchedAt": {
                    "type": "string"
                  },
                  "mode": {
                    "type": "string"
                  },
                  "nextCursor": {
                    "type": "string"
                  },
                  "query": {
                    "type": "string"
                  },
                  "rateLimit": {
                    "type": "object"
                  },
                  "sort": {
                    "type": "string"
                  },
                  "source": {
                    "type": "string"
                  }
                },
                "required": [
                  "source",
                  "fetchedAt",
                  "cached",
                  "rateLimit",
                  "query",
                  "mode",
                  "sort",
                  "count",
                  "casts",
                  "nextCursor"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "builder-code": {
      "info": {
        "a": "bc_b4aw4uzd"
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "a": {
            "description": "App builder code",
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          },
          "s": {
            "description": "Service builder codes",
            "items": {
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "maxItems": 11,
            "type": "array"
          },
          "w": {
            "description": "Wallet builder code",
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          }
        },
        "type": "object"
      }
    },
    "payment-identifier": {
      "info": {
        "required": false
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "id": {
            "maxLength": 128,
            "minLength": 16,
            "pattern": "^[a-zA-Z0-9_-]+$",
            "type": "string"
          },
          "required": {
            "type": "boolean"
          }
        },
        "required": [
          "required"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar",
    "builder-code",
    "payment-identifier"
  ],
  "sourceHost": "agent402.tools",
  "lastUpdated": "2026-09-16T18:15:46.434Z",
  "quality": {
    "calls30d": 5,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-09-16T18:15:55.468Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "agent402.tools",
    "manifest_name": "agent402.tools",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}