Langflow

Langflow Log API

The Log API from Langflow — 2 operation(s) for log.

GitHub OpenAPI

Operations 2

GET /logs Logs #
GET /logs-stream Stream Logs #

Documentation

📖
Documentation
https://docs.langflow.org/api-reference-api-examples
📖
Authentication
https://docs.langflow.org/api-keys-and-authentication
📖
Documentation
https://docs.langflow.org/concepts-flows
📖
Documentation
https://docs.langflow.org/mcp-server
📖
Documentation
https://docs.langflow.org/api-keys-and-authentication

Specifications

⚙
OpenAPI
https://artifacts.apis.io/langflow/openapi/langflow-log-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://artifacts.apis.io/langflow/json-schema/langflow-flow-schema.json
📊
JSONSchema
https://artifacts.apis.io/langflow/json-schema/langflow-project-schema.json
📊
JSONSchema
https://artifacts.apis.io/langflow/json-schema/langflow-message-schema.json
📊
JSONSchema
https://artifacts.apis.io/langflow/json-schema/langflow-user-schema.json
📊
JSONSchema
https://artifacts.apis.io/langflow/json-schema/langflow-mcp-server-schema.json

Other Resources

🔗
JSONLD
https://artifacts.apis.io/langflow/json-ld/langflow-context.jsonld
🔗
Vocabulary
https://artifacts.apis.io/langflow/vocabulary/langflow-vocabulary.yml
🔗
SpectralRuleset
https://artifacts.apis.io/langflow/rules/langflow-rules.yml

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OpenAPI Specification

langflow-log-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Langflow Log API
  version: 1.9.0
tags:
- name: Log
paths:
  /logs:
    get:
      description: 'Retrieve application logs with authentication required.


        SECURITY: Logs may contain sensitive information and require authentication.'
      operationId: logs_logs_get
      parameters:
      - description: The number of logs before the timestamp or the last log
        in: query
        name: lines_before
        required: false
        schema:
          default: 0
          description: The number of logs before the timestamp or the last log
          title: Lines Before
          type: integer
      - description: The number of logs after the timestamp
        in: query
        name: lines_after
        required: false
        schema:
          default: 0
          description: The number of logs after the timestamp
          title: Lines After
          type: integer
      - description: The timestamp to start getting logs from
        in: query
        name: timestamp
        required: false
        schema:
          default: 0
          description: The timestamp to start getting logs from
          title: Timestamp
          type: integer
      responses:
        '200':
          content:
            application/json:
              schema: {}
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Logs
      tags:
      - Log
  /logs-stream:
    get:
      description: 'HTTP/2 Server-Sent-Event (SSE) endpoint for streaming logs.


        Requires authentication to prevent exposure of sensitive log data.

        It establishes a long-lived connection to the server and receives log messages in real-time.

        The client should use the header "Accept: text/event-stream".'
      operationId: stream_logs_logs_stream_get
      responses:
        '200':
          content:
            application/json:
              schema: {}
          description: Successful Response
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Stream Logs
      tags:
      - Log
components:
  schemas:
    ValidationError:
      properties:
        ctx:
          title: Context
          type: object
        input:
          title: Input
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          title: Location
          type: array
        msg:
          title: Message
          type: string
        type:
          title: Error Type
          type: string
      required:
      - loc
      - msg
      - type
      title: ValidationError
      type: object
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          title: Detail
          type: array
      title: HTTPValidationError
      type: object
  securitySchemes:
    API_key_header:
      in: header
      name: x-api-key
      type: apiKey
    API_key_query:
      in: query
      name: x-api-key
      type: apiKey
    OAuth2PasswordBearerCookie:
      flows:
        password:
          scopes: {}
          tokenUrl: api/v1/login
      type: oauth2