Ollama Blobs API

openapi: 3.1.0
info:
  title: Ollama Blobs API
  description: Ollama provides a REST API for running and managing large language models locally. The API supports text generation, chat completions, embeddings, model management, and streaming responses. It serves as the primary interface for interacting with models running on the Ollama inference engine at localhost:11434.
  version: 0.1.0
  contact:
    name: Ollama Team
    url: https://ollama.com
  license:
    name: MIT
    url: https://opensource.org/licenses/MIT
  termsOfService: https://ollama.com/terms
servers:
- url: http://localhost:11434
  description: Local Ollama Server
tags:
- name: Blobs
  description: Manage binary large objects used by models.
paths:
  /api/blobs/{digest}:
    head:
      operationId: checkBlob
      summary: Ollama Check if a blob exists
      description: Check if a blob with the specified digest exists on the server. Returns 200 if it exists, 404 if it does not.
      tags:
      - Blobs
      parameters:
      - $ref: '#/components/parameters/BlobDigest'
      responses:
        '200':
          description: Blob exists
        '404':
          description: Blob not found
    post:
      operationId: createBlob
      summary: Ollama Create a blob
      description: Create a blob from a file on the server. Used to upload model layers or other binary data referenced by digest.
      tags:
      - Blobs
      parameters:
      - $ref: '#/components/parameters/BlobDigest'
      requestBody:
        required: true
        content:
          application/octet-stream:
            schema:
              type: string
              format: binary
      responses:
        '201':
          description: Blob created successfully
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  parameters:
    BlobDigest:
      name: digest
      in: path
      required: true
      description: The SHA256 digest of the blob in the format sha256:<hex>.
      schema:
        type: string
        pattern: ^sha256:[a-f0-9]{64}$
  schemas:
    ErrorResponse:
      type: object
      description: An error response returned when a request fails.
      properties:
        error:
          type: string
          description: A human-readable error message describing the problem.
externalDocs:
  description: Ollama API Documentation
  url: https://docs.ollama.com/api/introduction