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Neynar Signer API

Operations related to signer

This API exposes 8 operations across 7 paths, and defines 14 schemas. It is described by OpenAPI 3.0.4, at version 3.176.0.

Requests are made against a single base URL, https://api.neynar.com.

8 operations 7 paths 14 schemas 4 GET4 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.4
API Version
3.176.0
Base URL
https://api.neynar.com
Authentication
API Key
Contact
Resource Areas
1

Authentication & Security 1

Neynar Signer API declares 1 security scheme for authenticating requests. An API key is passed in the header as x-api-key (ApiKeyAuth). By default, every request must be authenticated.

  • ApiKeyAuth — API key to authorize requests

Paths & Operations 8

Across 7 paths, the API surfaces 8 operations — 4 GET, 4 POST. Each is listed below with its method, path, parameters, and response codes.

Signer 8

Operations related to signer

GET
/v2/farcaster/login/authorize/
Fetch authorization url
fetch-authorization-url 2 params → 200400401
POST
/v2/farcaster/message/
Publish message
publish-message-to-farcaster body → 200400500
GET
/v2/farcaster/signer/
Status
lookup-signer 1 param → 200400403404500
POST
/v2/farcaster/signer/
Create signer
create-signer → 200500
GET
/v2/farcaster/signer/developer_managed/
Status by public key
lookup-developer-managed-signer 1 param → 200400
POST
/v2/farcaster/signer/developer_managed/signed_key/
Register Signed Key
register-signed-key-for-developer-managed-signer body → 200400500
GET
/v2/farcaster/signer/list/
List signers
fetch-signers 2 params → 200400401500
POST
/v2/farcaster/signer/signed_key/
Register Signed Key
register-signed-key body → 200400403404500

Schemas 14

The contract defines 14 schemas that model the data the API accepts and returns. The most detailed are Signer (7 properties), RegisterSignerKeyReqBody (6 properties), RegisterDeveloperManagedSignedKeyReqBody (6 properties), ErrorRes (4 properties). Each schema is shown below with its type and property counts.

SharedSignerPermission
string
Signer
object
7 properties 3 required
PublishMessageResponse
object
RegisterDeveloperManagedSignedKeyReqBody
object
6 properties 4 required
AuthorizationUrlResponse
object
1 property 1 required
Ed25519PublicKey
string
Ed25519 public key
RegisterSignerKeyReqBody
object
6 properties 4 required
SignerListResponse
object
1 property 1 required
ErrorRes
object
Details for the error response
4 properties 1 required
PublishMessageReqBody
object
SignerUUID
string
UUID of the signer. signeruuid is paired with API key, can't use a uuid made with a different API key.
SignedKeyRequestSponsor
object
3 properties
DeveloperManagedSigner
object
4 properties 2 required
Fid
integer
The unique identifier of a farcaster user or app (unsigned integer)

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

neynar-signer-api-openapi.yml Raw ↑