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Langflow

Langflow Flows API

The Flows API from Langflow — 8 operation(s) for flows.

Documentation Provider Profile APIs.io OpenAPI GitHub

Langflow Flows 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 Flows. 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 13 operations across 8 paths, and defines 13 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.

13 operations 8 paths 13 schemas 2 DELETE5 GET1 PATCH4 POST1 PUT

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 Flows 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 13

Across 8 paths, the API surfaces 13 operations — 2 DELETE, 5 GET, 1 PATCH, 4 POST, 1 PUT. Each is listed below with its method, path, parameters, and response codes.

Flows 13
DELETE
/api/v1/flows/
Delete Multiple Flows
delete_multiple_flows_api_v1_flows__delete body → 200422
GET
/api/v1/flows/
Read Flows
read_flows_api_v1_flows__get 7 params → 200422
POST
/api/v1/flows/
Create Flow
create_flow_api_v1_flows__post body → 201422
GET
/api/v1/flows/basic_examples/
Read Basic Examples
read_basic_examples_api_v1_flows_basic_examples__get → 200
POST
/api/v1/flows/batch/
Create Flows
create_flows_api_v1_flows_batch__post body → 201422
POST
/api/v1/flows/download/
Download Multiple File
download_multiple_file_api_v1_flows_download__post body → 200422
GET
/api/v1/flows/public_flow/{flow_id}
Read Public Flow
read_public_flow_api_v1_flows_public_flow__flow_id__get 1 param → 200422
POST
/api/v1/flows/upload/
Upload File
upload_file_api_v1_flows_upload__post 1 param body → 201422
DELETE
/api/v1/flows/{flow_id}
Delete Flow
delete_flow_api_v1_flows__flow_id__delete 1 param → 200422
GET
/api/v1/flows/{flow_id}
Read Flow
read_flow_api_v1_flows__flow_id__get 1 param → 200422
PATCH
/api/v1/flows/{flow_id}
Update Flow
update_flow_api_v1_flows__flow_id__patch 1 param body → 200422
PUT
/api/v1/flows/{flow_id}
Upsert Flow
upsert_flow_api_v1_flows__flow_id__put 1 param body → 200422
GET
/api/v1/starter-projects/
Get Starter Projects
get_starter_projects_api_v1_starter_projects__get → 200

Schemas 13

The contract defines 13 schemas that model the data the API accepts and returns. The most detailed are FlowCreate (20 properties), FlowRead (19 properties), FlowHeader (12 properties), FlowUpdate (11 properties). Each schema is shown below with its type and property counts.

FlowHeader
object
Model representing a header for a flow - Without the data.
12 properties 2 required
AccessTypeEnum
string
HTTPValidationError
object
1 property
FlowCreate
object
20 properties 1 required
FlowListCreate
object
1 property 1 required
ValidationError
object
5 properties 3 required
FlowUpdate
object
11 properties
GraphData
object
3 properties 2 required
ViewPort
object
3 properties 3 required
FlowRead
object
19 properties 4 required
Body_upload_file_api_v1_flows_upload__post
object
1 property
Page_FlowRead_
object
5 properties 5 required
GraphDumpResponse
object
5 properties 1 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

langflow-flows-api-openapi.yml Raw ↑

Other APIs Langflow publishes across the network.

Langflow Base API
AE Profile APIs.io
Langflow Chat API
AE Profile APIs.io
Langflow Files API
AE Profile APIs.io
Langflow Flow Events API
AE Profile APIs.io
Langflow Health Check API
AE Profile APIs.io
Langflow Log API
AE Profile APIs.io
Langflow MCP API
AE Profile APIs.io
Langflow mcp_projects API
AE Profile APIs.io
Langflow Monitor API
AE Profile APIs.io
Langflow OpenAI Responses API API
AE Profile APIs.io
Langflow Projects API
AE Profile APIs.io
Langflow Traces API
AE Profile APIs.io
#Flows
← Back to L APIs
API Details
ID
langflow:langflow-flows-api
Base URL
http://localhost:7860/api
Docs
https://docs.langflow.org/api-reference-api-examples
Provider
Langflow
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