POST
/
v1
/
validateMessage
Validate signed message
curl --request POST \
  --url https://hub-api.neynar.com/v1/validateMessage \
  --header 'Content-Type: application/octet-stream' \
  --header 'x-api-key: <api-key>'
{
  "valid": true,
  "message": {
    "data": {
      "type": "MESSAGE_TYPE_CAST_ADD",
      "fid": 2,
      "timestamp": 48994466,
      "network": "FARCASTER_NETWORK_MAINNET",
      "castAddBody": {
        "embedsDeprecated": [
          "<string>"
        ],
        "mentions": [
          2
        ],
        "parentCastId": {
          "fid": 2,
          "hash": "0x03aff391a6eb1772b20b4ead9a89f732be75fe27"
        },
        "parentUrl": "chain://eip155:1/erc721:0x39d89b649ffa044383333d297e325d42d31329b2",
        "text": "<string>",
        "mentionsPositions": [
          123
        ],
        "embeds": [
          {
            "castId": {
              "fid": 2,
              "hash": "0x03aff391a6eb1772b20b4ead9a89f732be75fe27"
            }
          }
        ]
      }
    },
    "hash": "0xd2b1ddc6c88e865a33cb1a565e0058d757042974",
    "hashScheme": "HASH_SCHEME_BLAKE3",
    "signature": "aSDinaTvuI8gbWludGxpZnk=",
    "signatureScheme": "SIGNATURE_SCHEME_ED25519",
    "signer": "<string>"
  }
}

Authorizations

​
x-api-key
string
header
default:NEYNAR_API_DOCS
required

API key to authorize requests

Body

application/octet-stream · file

A Message is a delta operation on the Farcaster network. The message protobuf is an envelope that wraps a MessageData object and contains a hash and signature which can verify its authenticity.

The body is of type file.

Response

200
application/json

A successful response.

The response is of type object.

POST
/
v1
/
validateMessage
Validate signed message
curl --request POST \
  --url https://hub-api.neynar.com/v1/validateMessage \
  --header 'Content-Type: application/octet-stream' \
  --header 'x-api-key: <api-key>'
{
  "valid": true,
  "message": {
    "data": {
      "type": "MESSAGE_TYPE_CAST_ADD",
      "fid": 2,
      "timestamp": 48994466,
      "network": "FARCASTER_NETWORK_MAINNET",
      "castAddBody": {
        "embedsDeprecated": [
          "<string>"
        ],
        "mentions": [
          2
        ],
        "parentCastId": {
          "fid": 2,
          "hash": "0x03aff391a6eb1772b20b4ead9a89f732be75fe27"
        },
        "parentUrl": "chain://eip155:1/erc721:0x39d89b649ffa044383333d297e325d42d31329b2",
        "text": "<string>",
        "mentionsPositions": [
          123
        ],
        "embeds": [
          {
            "castId": {
              "fid": 2,
              "hash": "0x03aff391a6eb1772b20b4ead9a89f732be75fe27"
            }
          }
        ]
      }
    },
    "hash": "0xd2b1ddc6c88e865a33cb1a565e0058d757042974",
    "hashScheme": "HASH_SCHEME_BLAKE3",
    "signature": "aSDinaTvuI8gbWludGxpZnk=",
    "signatureScheme": "SIGNATURE_SCHEME_ED25519",
    "signer": "<string>"
  }
}

Authorizations

​
x-api-key
string
header
default:NEYNAR_API_DOCS
required

API key to authorize requests

Body

application/octet-stream · file

A Message is a delta operation on the Farcaster network. The message protobuf is an envelope that wraps a MessageData object and contains a hash and signature which can verify its authenticity.

The body is of type file.

Response

200
application/json

A successful response.

The response is of type object.