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API3 Signed Data API

Reading and writing cryptographically signed oracle data

API3 Signed Data API is one of 6 APIs that API3 publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Signed Data. The published artifact set on APIs.io includes an OpenAPI specification.

This API exposes 2 operations across 1 path, and defines 8 schemas. It is described by OpenAPI 3.0.3, at version 2.0.0.

Requests are made against a single base URL, https://signed-api.api3.org.

2 operations 1 paths 8 schemas 1 GET1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.3
API Version
2.0.0
Base URL
https://market.api3.org
Authentication
HTTP Bearer
Contact
License
Resource Areas
1

Authentication & Security 1

API3 Signed Data API declares 1 security scheme for authenticating requests. It accepts HTTP bearer tokens (bearerAuth).

  • bearerAuth — Bearer token configured in the Signed API's allowedAirnodes or endpoint authTokens list. Required on endpoints or Airnode addresses configured with non-null au…

Paths & Operations 2

Across 1 path, the API surfaces 2 operations — 1 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.

Signed Data 2

Reading and writing cryptographically signed oracle data

GET
/{airnodeAddress}
Get signed data for an Airnode
getSignedData 1 param → 200401403404
POST
/{airnodeAddress}
Batch insert signed data for an Airnode
batchInsertSignedData 1 param body → 201400401403

Schemas 8

The contract defines 8 schemas that model the data the API accepts and returns. The most detailed are SignedDataEntry (6 properties), SignedDataResponse (2 properties), BatchInsertResponse (2 properties), ErrorResponse (1 property). Each schema is shown below with its type and property counts.

BatchInsertRequest
array
Array of signed data entries to insert (max 10 MB body)
SignedDataResponse
object
2 properties 2 required
SignedDataEntry
object
6 properties 6 required
SignedDataMap
object
Map of beaconId to the latest SignedDataEntry for that beacon
EvmId
string
EVM 32-byte identifier as 66-char hex string (0x + 64 hex chars)
ErrorResponse
object
1 property
BatchInsertResponse
object
2 properties 2 required
EvmAddress
string
EVM checksummed address (42 hex characters with 0x prefix)

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

api3-signed-data-api-openapi.yml Raw ↑

Other APIs API3 publishes across the network.

API3 dAPI Data Feeds
API3 OEV Rewards
API3 Airnode HTTP Gateway
API3 Airnodes API
API3 Status API