Axelar Payloads API

The Payloads API from Axelar — 2 operation(s) for payloads.

Operations 2

POST /payloads Temporarily store a large payload against its hash to bypass size restrictions on some chains. #
GET /payloads/{hash} Retrieve a stored payload by its hash #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/axelar-payloads-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

axelar-payloads-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Amplifier GMP Chains Payloads API
  description: Integration layer for Amplifier chains
  version: 1.0.0
servers:
- url: https://api.axelarscan.io/api
  description: Base URL declared by the provider in apis.yml (roadmap#122).
tags:
- name: Payloads
paths:
  /payloads:
    post:
      summary: Temporarily store a large payload against its hash to bypass size restrictions on some chains.
      operationId: storePayload
      requestBody:
        required: true
        content:
          application/octet-stream:
            schema:
              type: string
              format: binary
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StorePayloadResult'
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Server Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      tags:
      - Payloads
  /payloads/{hash}:
    get:
      summary: Retrieve a stored payload by its hash
      operationId: getPayload
      parameters:
      - name: hash
        in: path
        required: true
        schema:
          $ref: '#/components/schemas/Keccak256Hash'
      responses:
        '200':
          description: OK
          content:
            application/octet-stream:
              schema:
                type: string
                format: binary
        '404':
          description: Payload Not Found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Server Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      tags:
      - Payloads
components:
  schemas:
    ErrorResponse:
      type: object
      properties:
        error:
          type: string
          minLength: 1
        requestID:
          type: string
          minLength: 1
      required:
      - error
    Keccak256Hash:
      type: string
      pattern: ^0x[0-9a-f]{64}$
    StorePayloadResult:
      type: object
      properties:
        keccak256:
          $ref: '#/components/schemas/Keccak256Hash'
      required:
      - keccak256