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/openfaas:openfaas-async-function-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

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: OpenFaaS Async Function API
  version: '2026-10-14'
  description: 'GENERATED FROM DOCUMENTATION by API Evangelist on 2026-10-14: 12 operation(s) read from 7 public documentation page(s) (each operation names its page in x-source). This is not the provider''s published contract; OpenFaaS has published no machine-readable contract that the pipeline could find. Engine: local.'
  x-evidence-tiers:
    code-example: 12
    documentation: 0
    pages-with-code: 6
    pages-read: 7
  x-generated-from: documentation
  x-provenance: generated
  x-authored-by: API Evangelist
  x-generated: '2026-10-14'
  x-generator: generate-contract-from-docs.py
  x-engine: local
  x-sources:
  - https://docs.openfaas.com/reference/async
  - https://docs.openfaas.com/reference/secrets
  - https://docs.openfaas.com/reference/rest-api
  - https://docs.openfaas.com/reference/cicd/jenkins
  - https://docs.openfaas.com/reference/authentication
  - https://docs.openfaas.com/reference/cicd/bitbucket
  - https://docs.openfaas.com/reference/function-oauth
servers:
- url: https://github.com
security:
- bearer: []
tags:
- name: Async Function
paths:
  /async-function/ee7fcaeb-82b7-4834-b677-45005c5f0b1b:
    delete:
      operationId: delete_async_function_ee7fcaeb_82b7_4834_b677_45005c5f0b1b
      tags:
      - Async Function
      summary: DELETE /async-function/ee7fcaeb-82b7-4834-b677-45005c5f0b1b
      x-source: https://docs.openfaas.com/reference/async
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: code-example
        language: curl
        snippet: "curl -i  -X DELETE  http://127.0.0.1:8080/async-function/ee7fcaeb-82b7-4834-b677-45005c5f0b1b\n A 202 Accepted message will be issued if the request is successful. \n Reasons why you might need to cancel an async request: \n Cancel long running tasks. \n Cancel failing invocations, e.g due to an invalid payload, that would otherwise be retried by the queue-worker until the max retry limit is reached. "
  /async-function/figlet:
    get:
      operationId: get_async_function_figlet
      tags:
      - Async Function
      summary: GET /async-function/figlet
      x-source: https://docs.openfaas.com/reference/async
      responses:
        '200':
          description: Success (status as documented)
      x-evidence:
        kind: code-example
        language: curl
        snippet: 'curl http://127.0.0.1:8080/async-function/figlet  --data "Hi"  --header "X-Callback-Url: http://<your-ip>:8888"'
components:
  securitySchemes:
    bearer:
      type: http
      scheme: bearer