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Langflow Projects API

The Projects API from Langflow — 4 operation(s) for projects.

Langflow Projects API is one of 15 APIs that Langflow publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 5 JSON Schema definitions.

Tagged areas include Project. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, authentication docs, a JSON-LD context, and 5 JSON Schemas.

This API exposes 7 operations across 4 paths, and defines 11 schemas. It is described by OpenAPI 3.1.0, at version 1.9.0.

Requests are made against the base URL http://localhost:7860/api.

7 operations 4 paths 11 schemas 1 DELETE3 GET1 PATCH2 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
1.9.0
Base URL
http://localhost:7860/api
Authentication
API Key, API Key, OAuth 2.0
Resource Areas
1

Authentication & Security 3

Langflow Projects API declares 3 security schemes for authenticating requests. An API key is passed in the header as x-api-key (API key header). An API key is passed in the query as x-api-key (API key query). It supports OAuth 2.0 (OAuth2PasswordBearerCookie) using the password flow.

Paths & Operations 7

Across 4 paths, the API surfaces 7 operations — 1 DELETE, 3 GET, 1 PATCH, 2 POST. Each is listed below with its method, path, parameters, and response codes.

Projects 7
GET
/api/v1/projects/
Read Projects
read_projects_api_v1_projects__get → 200
POST
/api/v1/projects/
Create Project
create_project_api_v1_projects__post body → 201422
GET
/api/v1/projects/download/{project_id}
Download File
download_file_api_v1_projects_download__project_id__get 1 param → 200422
POST
/api/v1/projects/upload/
Upload File
upload_file_api_v1_projects_upload__post body → 201422
DELETE
/api/v1/projects/{project_id}
Delete Project
delete_project_api_v1_projects__project_id__delete 1 param → 204422
GET
/api/v1/projects/{project_id}
Read Project
read_project_api_v1_projects__project_id__get 6 params → 200422
PATCH
/api/v1/projects/{project_id}
Update Project
update_project_api_v1_projects__project_id__patch 1 param body → 200422

Schemas 11

The contract defines 11 schemas that model the data the API accepts and returns. The most detailed are FlowRead (19 properties), FolderUpdate (6 properties), FolderReadWithFlows (6 properties), Page_FlowRead_ (5 properties). Each schema is shown below with its type and property counts.

AccessTypeEnum
string
HTTPValidationError
object
1 property
FolderCreate
object
5 properties 1 required
ValidationError
object
5 properties 3 required
FolderReadWithFlows
object
6 properties 3 required
FolderWithPaginatedFlows
object
2 properties 2 required
FlowRead
object
19 properties 4 required
FolderRead
object
5 properties 3 required
Body_upload_file_api_v1_projects_upload__post
object
1 property
FolderUpdate
object
6 properties
Page_FlowRead_
object
5 properties 5 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

langflow-projects-api-openapi.yml Raw ↑

Other APIs Langflow publishes across the network.

Langflow Base API
Langflow Chat API
Langflow Files API
Langflow Flow Events API
Langflow Flows API
Langflow Health Check API
Langflow Log API
Langflow MCP API
Langflow mcp_projects API
Langflow Monitor API
Langflow OpenAI Responses API API
Langflow Traces API
Where this information came from

This is an independent, third-party profile of Langflow Projects 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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Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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