Attestations

Overview

The Attestations API allows you to query service verifications and attestations in the Ethos network. Attestations are proofs that a user owns a particular service account (like a Twitter account) or has verified a specific claim.

Endpoints

Query Attestations

POST /api/v1/attestations

Description: Retrieves attestations based on profile IDs, attestation hashes, or both.

Authentication Required: No

Parameters

Request Body

{
  "profileIds": [1, 2, 3],
  "attestationHashes": ["0x1234...", "0x5678..."],
  "archived": false,
  "orderBy": {
    "createdAt": "desc"
  },
  "limit": 10,
  "offset": 0
}

Property	Type	Required	Description
profileIds	array of numbers	No*	Array of profile IDs to filter by
attestationHashes	array of strings	No*	Array of attestation hashes to filter by
archived	boolean	No	Whether to include archived attestations
orderBy	object	No	Sorting options
orderBy.createdAt	string	No	Sort by creation date: "asc" or "desc"
orderBy.updatedAt	string	No	Sort by update date: "asc" or "desc"
limit	number	Yes	Number of results to return (maximum 100)
offset	number	Yes	Offset for pagination

*At least one of profileIds or attestationHashes must be provided.

Responses

Success Response

Code: 200 OK

{
  "ok": true,
  "data": {
    "values": [
      {
        "hash": "0x1234...",
        "profileId": 1,
        "service": "x.com",
        "account": "123456789",
        "createdAt": 1735689600,
        "updatedAt": 1735689600,
        "archived": false
      }
    ],
    "limit": 10,
    "offset": 0,
    "total": 1
  }
}

Property	Type	Description
ok	boolean	Success status
data	object	Response data container
data.values	array	Array of attestation objects
data.values[].hash	string	Attestation hash
data.values[].profileId	number	Profile ID
data.values[].service	string	Service name (e.g., "x.com")
data.values[].account	string	Account ID on the service
data.values[].createdAt	number	Unix timestamp of when the attestation was created
data.values[].updatedAt	number	Unix timestamp of when the attestation was last updated
data.values[].archived	boolean	Whether the attestation is archived
data.limit	number	Number of results returned
data.offset	number	Current pagination offset
data.total	number	Total number of results matching the query

Error Responses

Code: 400 Bad Request

{
  "ok": false,
  "error": {
    "code": "BAD_REQUEST",
    "message": "Must specify either attestationHashes or profileIds",
    "fields": ["attestationHashes", "profileIds"]
  }
}

Example

Request

http POST https://api.ethos.network/api/v1/attestations \
  profileIds:='[1]' \
  limit=10 \
  offset=0

Response

{
  "ok": true,
  "data": {
    "values": [
      {
        "hash": "0x1234567890123456789012345678901234567890123456789012345678901234",
        "profileId": 1,
        "service": "x.com",
        "account": "123456789",
        "createdAt": 1735689600,
        "updatedAt": 1735689600,
        "archived": false
      }
    ],
    "limit": 10,
    "offset": 0,
    "total": 1
  }
}

Notes

• By default, results are sorted by creation date in descending order (newest first).

• The API enforces a maximum of 100 attestations that can be requested at once.

---

Query Extended Attestations

POST /api/v1/attestations/extended

Description: Retrieves attestations with extended information. Currently, this endpoint is optimized for X (Twitter) attestations by including additional Twitter profile information.

Authentication Required: No

Parameters

Request Body

{
  "profileIds": [1, 2, 3],
  "attestationHashes": ["0x1234...", "0x5678..."],
  "archived": false,
  "orderBy": {
    "createdAt": "desc"
  },
  "limit": 10,
  "offset": 0
}

Property	Type	Required	Description
profileIds	array of numbers	No*	Array of profile IDs to filter by
attestationHashes	array of strings	No*	Array of attestation hashes to filter by
archived	boolean	No	Whether to include archived attestations
orderBy	object	No	Sorting options
orderBy.createdAt	string	No	Sort by creation date: "asc" or "desc"
orderBy.updatedAt	string	No	Sort by update date: "asc" or "desc"
limit	number	Yes	Number of results to return (maximum 100)
offset	number	Yes	Offset for pagination

*At least one of profileIds or attestationHashes must be provided.

Responses

Success Response

Code: 200 OK

{
  "ok": true,
  "data": {
    "values": [
      {
        "attestation": {
          "hash": "0x1234...",
          "id": 1,
          "profileId": 1,
          "service": "x.com",
          "account": "123456789",
          "createdAt": 1735689600,
          "updatedAt": 1735689600,
          "archived": false
        },
        "extra": {
          "attestationHash": "0x1234...",
          "id": "123456789",
          "username": "twitterusername",
          "name": "Twitter Display Name",
          "biography": "Twitter bio",
          "avatar": "https://pbs.twimg.com/profile_images/1234567890/image.jpg",
          "followersCount": 1000,
          "isBlueVerified": true,
          "joinedAt": 1703222331000,
          "website": "https://example.com"
        }
      }
    ],
    "limit": 10,
    "offset": 0,
    "total": 1
  }
}

Property	Type	Description
ok	boolean	Success status
data	object	Response data container
data.values	array	Array of extended attestation objects
data.values[].attestation	object	Attestation object (same as in the basic query)
data.values[].attestation.id	number	Internal attestation ID
data.values[].attestation.hash	string	Attestation hash
data.values[].attestation.profileId	number	Profile ID
data.values[].attestation.service	string	Service name (e.g., "x.com")
data.values[].attestation.account	string	Account ID on the service
data.values[].attestation.createdAt	number	Unix timestamp of when the attestation was created
data.values[].attestation.updatedAt	number	Unix timestamp of when the attestation was last updated
data.values[].attestation.archived	boolean	Whether the attestation is archived
data.values[].extra	object	Additional information about the attestation
data.values[].extra.attestationHash	string	Hash of the attestation
data.values[].extra.id	string	Twitter user ID
data.values[].extra.username	string	Twitter username
data.values[].extra.name	string	Twitter display name
data.values[].extra.biography	string	Twitter bio
data.values[].extra.avatar	string	URL to the Twitter profile image
data.values[].extra.followersCount	number	Number of followers
data.values[].extra.isBlueVerified	boolean	Whether the account is Twitter Blue verified
data.values[].extra.joinedAt	number	Unix timestamp of when the account joined Twitter
data.values[].extra.website	string	Website URL from Twitter profile
data.limit	number	Number of results returned
data.offset	number	Current pagination offset
data.total	number	Total number of results matching the query

Error Responses

Code: 400 Bad Request

{
  "ok": false,
  "error": {
    "code": "BAD_REQUEST",
    "message": "Must specify either attestationHashes or profileIds",
    "fields": ["attestationHashes", "profileIds"]
  }
}

Code: 404 Not Found

{
  "ok": false,
  "error": {
    "code": "NOT_FOUND",
    "message": "Attestation details not found"
  }
}

Example

Request

http POST https://api.ethos.network/api/v1/attestations/extended \
  profileIds:='[1]' \
  limit=10 \
  offset=0

Response

{
  "ok": true,
  "data": {
    "values": [
      {
        "attestation": {
          "hash": "0x1234567890123456789012345678901234567890123456789012345678901234",
          "id": 1,
          "profileId": 1,
          "service": "x.com",
          "account": "123456789",
          "createdAt": 1735689600,
          "updatedAt": 1735689600,
          "archived": false
        },
        "extra": {
          "attestationHash": "0x1234567890123456789012345678901234567890123456789012345678901234",
          "id": "123456789",
          "username": "twitterusername",
          "name": "Twitter Display Name",
          "biography": "Twitter bio",
          "avatar": "https://pbs.twimg.com/profile_images/1234567890/image.jpg",
          "followersCount": 1000,
          "isBlueVerified": true,
          "joinedAt": 1703222331000,
          "website": "https://example.com"
        }
      }
    ],
    "limit": 10,
    "offset": 0,
    "total": 1
  }
}

Notes

• Currently, this endpoint only provides extended information for X (Twitter) attestations.

• For non-Twitter attestations, the extended information may be limited or not available.

• The extended information includes the Twitter username, display name, bio, and profile image URL.