---
title: "Invoke a function asynchronously in OpenFaaS"
method: POST
path: "/async-function/{functionName}"
---

# Invoke a function asynchronously in OpenFaaS

`POST /async-function/{functionName}`

See https://docs.openfaas.com/reference/async/.

## Path parameters

- `functionName` string, required

## Request body

- string, binary

## Response `202`

Request accepted and queued

## Other responses

- `404` — Not Found
- `500` — Internal Server Error

---

[API](https://skmtc.net/tanklabtju/apis/openfaas-api-gateway.md) · [All operations](https://skmtc.net/tanklabtju/apis/openfaas-api-gateway/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/tanklabtju/openfaas-api-gateway/revisions/15f9c1fdaeb2/schema)