Neynar Documentation

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A Link represents a relationship between two users (e.g. follow). The Links API will accept the following values for the link_type field.

String	Description
follow	Follow from FID to Target FID

linkById

Get a link by its FID and target FID. Query Parameters

Parameter	Description	Example
fid	The FID of the link’s originator	`fid=6833`
target_fid	The FID of the target of the link	`target_fid=2`
link_type	The type of link, as a string value	`link_type=follow`

Example

curl http://127.0.0.1:3381/v1/linkById?fid=6833&target_fid=2&link_type=follow

Response

{
  "data": {
    "type": "MESSAGE_TYPE_LINK_ADD",
    "fid": 6833,
    "timestamp": 61144470,
    "network": "FARCASTER_NETWORK_MAINNET",
    "linkBody": {
      "type": "follow",
      "targetFid": 2
    }
  },
  "hash": "0x58c23eaf4f6e597bf3af44303a041afe9732971b",
  "hashScheme": "HASH_SCHEME_BLAKE3",
  "signature": "sMypYEMqSyY...nfCA==",
  "signatureScheme": "SIGNATURE_SCHEME_ED25519",
  "signer": "0x0852c07b56...06e999cdd"
}

linksByFid

Get all links from a source FID Query Parameters

Parameter	Description	Example
fid	The FID of the link’s creator	`fid=6833`
link_type	The type of link, as a string value	`link_type=follow`
pageSize	Optional page size (default: 1000)	`pageSize=100`
pageToken	Optional page token for pagination	`pageToken=DAEDAAAGlQ...`
reverse	Optional reverse order flag	`reverse=true`

Example

curl http://127.0.0.1:3381/v1/linksByFid?fid=6833

Response

{
  "messages": [
    {
      "data": {
        "type": "MESSAGE_TYPE_LINK_ADD",
        "fid": 6833,
        "timestamp": 61144470,
        "network": "FARCASTER_NETWORK_MAINNET",
        "linkBody": {
          "type": "follow",
          "targetFid": 83
        }
      },
      "hash": "0x094e35891519c0e04791a6ba4d2eb63d17462f02",
      "hashScheme": "HASH_SCHEME_BLAKE3",
      "signature": "qYsfX08mS...McYq6IYMl+ECw==",
      "signatureScheme": "SIGNATURE_SCHEME_ED25519",
      "signer": "0x0852c0...a06e999cdd"
    }
  ],
  "nextPageToken": ""
}

linksByTargetFid

Get all links to a target FID Query Parameters

Parameter	Description	Example
target_fid	The FID of the link’s target	`target_fid=6833`
link_type	The type of link, as a string value	`link_type=follow`
pageSize	Optional page size (default: 1000)	`pageSize=100`
pageToken	Optional page token for pagination	`pageToken=DAEDAAAGlQ...`
reverse	Optional reverse order flag	`reverse=true`

Example

curl http://127.0.0.1:3381/v1/linksByTargetFid?target_fid=6833

Response

{
  "messages": [
    {
      "data": {
        "type": "MESSAGE_TYPE_LINK_ADD",
        "fid": 302,
        "timestamp": 61144668,
        "network": "FARCASTER_NETWORK_MAINNET",
        "linkBody": {
          "type": "follow",
          "targetFid": 6833
        }
      },
      "hash": "0x78c62531d96088f640ffe7e62088b49749efe286",
      "hashScheme": "HASH_SCHEME_BLAKE3",
      "signature": "frIZJGIizv...qQd9QJyCg==",
      "signatureScheme": "SIGNATURE_SCHEME_ED25519",
      "signer": "0x59a04...6860ddfab"
    }
  ],
  "nextPageToken": ""
}