Rainbow Authentication API

OAuth2 token management

Operations 1

POST /oauth/token Get OAuth Token #

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/rainbow-authentication-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

rainbow-authentication-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Rainbow Application Portal Applications Authentication API
  description: The Rainbow Application Portal API allows developers to register and manage Rainbow applications, configure OAuth clients, and perform administrative operations on the Rainbow CPaaS platform by Alcatel-Lucent Enterprise.
  version: '1.0'
  contact:
    url: https://developers.openrainbow.com/
  x-tags:
  - Applications
  - Administration
  - OAuth
  - Provisioning
  - CPaaS
servers:
- url: https://openrainbow.com/api/rainbow
  description: Rainbow Production API
security:
- BearerAuth: []
tags:
- name: Authentication
  description: OAuth2 token management
paths:
  /oauth/token:
    post:
      operationId: getOAuthToken
      summary: Get OAuth Token
      description: Exchange application credentials for a Bearer token to authenticate API requests. Supports client_credentials and password grant types.
      tags:
      - Authentication
      security: []
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - grant_type
              properties:
                grant_type:
                  type: string
                  enum:
                  - client_credentials
                  - password
                  description: OAuth2 grant type
                client_id:
                  type: string
                  description: Application client ID
                client_secret:
                  type: string
                  description: Application client secret
                username:
                  type: string
                  description: User email (for password grant)
                password:
                  type: string
                  description: User password (for password grant)
      responses:
        '200':
          description: OAuth token response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OAuthTokenResponse'
        '400':
          description: Bad Request - invalid credentials or grant type
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    ErrorResponse:
      type: object
      properties:
        code:
          type: integer
        msg:
          type: string
        param:
          type: string
    OAuthTokenResponse:
      type: object
      properties:
        access_token:
          type: string
          description: Bearer token for API authentication
        token_type:
          type: string
          enum:
          - Bearer
        expires_in:
          type: integer
          description: Token expiration in seconds
        scope:
          type: string
          description: Granted scopes
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Bearer token from OAuth2 token endpoint