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/altimate-ai-newsletter-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.

GitHub Google LinkedIn

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

OpenAPI Specification

openapi: 3.2.0
info:
  title: Fast ACCOUNT_COSTS NEWSLETTER API
  version: 0.1.0
servers:
- url: https://api.myaltimate.com
  description: Base URL reconciled from apis.yml
tags:
- name: NEWSLETTER
paths:
  /newsletter/:
    get:
      tags:
      - NEWSLETTER
      summary: Add Newsletter Contact
      operationId: add_newsletter_contact_newsletter__get
      security:
      - HTTPBearer: []
      parameters:
      - name: email
        in: query
        required: true
        schema:
          type: string
          title: Email
      - name: source
        in: query
        required: true
        schema:
          type: string
          title: Source
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StandardResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError
    StandardResponse:
      properties:
        ok:
          type: boolean
          title: Ok
      type: object
      required:
      - ok
      title: StandardResponse
  securitySchemes:
    HTTPBearer:
      type: http
      scheme: bearer