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.
Call it yourself
curl for this page
This API
curl "https://apis.io/api/v1/apis/fedex-authorization-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
openapi: 3.2.0
info:
title: FedEx Track Authorization API
version: 1.0.0
description: 'OpenAPI 3.1 specification covering the FedEx OAuth 2.0 token endpoint and
the core FedEx Track API v1 operations as documented on the FedEx Developer
Portal (https://developer.fedex.com/api/en-us/catalog/track/v1/docs.html).'
contact:
name: FedEx Developer Portal
url: https://developer.fedex.com/
servers:
- url: https://apis.fedex.com
description: Production
- url: https://apis-sandbox.fedex.com
description: Sandbox / test environment
security:
- bearerAuth: []
tags:
- name: Authorization
description: OAuth 2.0 token issuance for FedEx APIs
paths:
/oauth/token:
post:
tags:
- Authorization
summary: Issue OAuth 2.0 access token
description: 'Exchanges FedEx Developer Portal client credentials for an OAuth 2.0
bearer access token. The returned access token is valid for one hour
and must be included as a Bearer token on subsequent API calls.'
security: []
requestBody:
required: true
content:
application/x-www-form-urlencoded:
schema:
type: object
required:
- grant_type
- client_id
- client_secret
properties:
grant_type:
type: string
enum:
- client_credentials
- csp_credentials
- client_pc_credentials
client_id:
type: string
description: API key issued by the FedEx Developer Portal
client_secret:
type: string
description: Secret key issued by the FedEx Developer Portal
responses:
'200':
description: Access token issued
content:
application/json:
schema:
type: object
properties:
access_token:
type: string
token_type:
type: string
example: bearer
expires_in:
type: integer
example: 3600
scope:
type: string
'401':
description: Authentication failure
operationId: postOauthToken
x-operation-id-source: derived
components:
securitySchemes:
bearerAuth:
type: http
scheme: bearer
bearerFormat: JWT
description: 'OAuth 2.0 access token returned by POST /oauth/token using
client_credentials with FedEx Developer Portal credentials.
'