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OpenAPI Specification

openapi: 3.2.0
info:
  title: Zipline AI Fetcher Fetch API
  version: v1
  description: HTTP surface of the Chronon fetcher service that powers Zipline AI online feature serving and schema inspection.
  x-generated-by: api-evangelist-enrichment
  x-generated-method: generated
  x-source: https://zipline.ai/docs/setup/Fetcher_API
servers:
- url: http://localhost:9000
  description: Local sandbox default (docker-compose)
- url: https://{host}
  description: Self-hosted deployment host
  variables:
    host:
      default: zipline.example.com
tags:
- name: Fetch
paths:
  /v1/fetch/groupby/{name}:
    post:
      tags:
      - Fetch
      operationId: fetchGroupBy
      summary: Fetches features for one GroupBy
      parameters:
      - $ref: '#/components/parameters/Name'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/FetchRequest'
      responses:
        '200':
          description: Feature fetch results
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FetchResponse'
        '400':
          description: Request-level failure (e.g. invalid JSON) — returns an errors array
  /v1/fetch/join/{name}:
    post:
      tags:
      - Fetch
      operationId: fetchJoin
      summary: Fetches features for one join
      parameters:
      - $ref: '#/components/parameters/Name'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/FetchRequest'
      responses:
        '200':
          description: Feature fetch results
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FetchResponse'
        '400':
          description: Request-level failure (e.g. invalid JSON) — returns an errors array
  /v1/fetch/modeltransforms/{name}:
    post:
      tags:
      - Fetch
      operationId: fetchModelTransforms
      summary: Fetches model transform outputs
      parameters:
      - $ref: '#/components/parameters/Name'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/FetchRequest'
      responses:
        '200':
          description: Model transform outputs
  /v2/fetch/join/{name}:
    post:
      tags:
      - Fetch
      operationId: fetchJoinV2
      summary: Fetches join features with the feature payload encoded as a base64 Avro string
      parameters:
      - $ref: '#/components/parameters/Name'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/FetchRequest'
      responses:
        '200':
          description: Join features with base64 Avro-encoded payload
components:
  schemas:
    FetchRequest:
      type: array
      description: A JSON array of entity key maps; each map is one lookup. Response preserves request order.
      items:
        type: object
        additionalProperties: true
        example:
          user_id: '5'
    FetchResponse:
      type: object
      properties:
        results:
          type: array
          items:
            $ref: '#/components/schemas/FetchResult'
        errors:
          type: array
          description: Present on request-level failures such as invalid JSON
          items:
            type: string
    FetchResult:
      type: object
      properties:
        status:
          type: string
          enum:
          - Success
          - Failure
        entityKeys:
          type: object
          additionalProperties: true
        features:
          type: object
          additionalProperties: true
        error:
          type: string
          description: Present when status is Failure
  parameters:
    Name:
      name: name
      in: path
      required: true
      description: Chronon metadata name. URL-encode names that contain path separators.
      schema:
        type: string