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Black Forest Labs

Black Forest Labs Generation API

Image generation endpoints.

Documentation Provider Profile APIs.io OpenAPI GitHub

Black Forest Labs Generation API is one of 4 APIs that Black Forest Labs publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Generation. The published artifact set on APIs.io includes an OpenAPI specification.

This API exposes 6 operations across 6 paths, and defines 3 schemas. It is described by OpenAPI 3.1.0, at version 1.0.

Requests are made against 3 base URLs: https://api.bfl.ai, https://api.us.bfl.ai, https://api.eu.bfl.ai.

6 operations 6 paths 3 schemas 6 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
1.0
Base URL
https://api.bfl.ai
Authentication
API Key
Contact
Black Forest Labs
Resource Areas
1

Authentication & Security 1

Black Forest Labs Generation API declares 1 security scheme for authenticating requests. An API key is passed in the header as x-key (apiKey). By default, every request must be authenticated.

  • apiKey — BFL API key.

Paths & Operations 6

Across 6 paths, the API surfaces 6 operations — 6 POST. Each is listed below with its method, path, parameters, and response codes.

Generation 6

Image generation endpoints.

POST
/v1/flux-pro-1.1
FLUX 1.1 [pro] generation
generateFluxPro11 body → 200422
POST
/v1/flux-pro-1.1-ultra
FLUX 1.1 [pro] Ultra generation
generateFluxPro11Ultra body → 200422
POST
/v1/flux-dev
FLUX.1 [dev] generation
generateFluxDev body → 200422
POST
/v1/flux-2-pro
FLUX.2 [PRO] generation
generateFlux2Pro body → 200422
POST
/v1/flux-2-flex
FLUX.2 [FLEX] generation
generateFlux2Flex body → 200
POST
/v1/flux-2-max
FLUX.2 [MAX] generation
generateFlux2Max body → 200

Schemas 3

The contract defines 3 schemas that model the data the API accepts and returns. The most detailed are GenerationRequest (10 properties), AsyncResponse (2 properties), HTTPValidationError (1 property). Each schema is shown below with its type and property counts.

AsyncResponse
object
2 properties
GenerationRequest
object
10 properties
HTTPValidationError
object
1 property

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

black-forest-labs-generation-api-openapi.yml Raw ↑

Other APIs Black Forest Labs publishes across the network.

Flux Image Generation API
AE Profile APIs.io
Black Forest Labs Editing API
AE Profile APIs.io
Black Forest Labs Utility API
AE Profile APIs.io
#Generation
← Back to B APIs
API Details
ID
black-forest-labs:black-forest-labs-generation-api
Base URL
https://api.bfl.ai
Docs
https://docs.bfl.ai/
Provider
Black Forest Labs
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This is an independent, third-party profile of Black Forest Labs Generation API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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