Snowflake

Cortex Messages API

The Snowflake Cortex Messages API is a REST API that performs LLM text completion inference using the Cortex Messages (Anthropic-compatible) request format.

GitHub OpenAPI
Business capability
Artificial Intelligence Management BC-610.60

Operations 1

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

POST /api/v2/cortex/v1/messages Generate text with the Cortex Messages API · Perform LLM text completion inference using Cortex Messages API format #
Ask an LLM
“How do I send a chat prompt to an LLM through Cortex using the Messages request format?”
“Can I reuse Messages-style request bodies to run text completion inside Snowflake Cortex?”
Tell an agent
Send this conversation to Cortex using the Messages format and return the model's reply.
Run a Messages-format text completion in Cortex for my prompt.

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/snowflake/refs/heads/main/openapi/snowflake-cortex-generic-anthropic-api-openapi.yml

Other Resources

🔗
Overlay
https://raw.githubusercontent.com/api-evangelist/snowflake/refs/heads/main/overlays/snowflake-cortex-generic-anthropic-overlay.yaml

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OpenAPI Specification

snowflake-cortex-generic-anthropic-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Cortex Messages Cortex Generic Anthropic API
  description: OpenAPI 3.0 specification for the Cortex Messages REST API
  version: 0.1.0
  contact:
    name: Snowflake, Inc.
    url: https://snowflake.com
    email: support@snowflake.com
security:
- KeyPair: []
- ExternalOAuth: []
- SnowflakeOAuth: []
- ProgrammaticAccessToken: []
tags:
- name: cortex-generic-anthropic
paths:
  /api/v2/cortex/v1/messages:
    post:
      summary: Perform LLM text completion inference using Cortex Messages API format
      tags:
      - cortex-generic-anthropic
      description: Perform LLM text completion inference using Cortex Messages API format.
      operationId: cortexGenericAnthropicMessages
      requestBody:
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
            text/event-stream:
              schema:
                type: object
                additionalProperties: true
        '400':
          $ref: common.yaml#/components/responses/400BadRequest
        '401':
          $ref: common.yaml#/components/responses/401Unauthorized
        '403':
          $ref: common.yaml#/components/responses/403Forbidden
        '404':
          $ref: common.yaml#/components/responses/404NotFound
        '405':
          $ref: common.yaml#/components/responses/405MethodNotAllowed
        '500':
          $ref: common.yaml#/components/responses/500InternalServerError
        '503':
          $ref: common.yaml#/components/responses/503ServiceUnavailable
        '504':
          $ref: common.yaml#/components/responses/504GatewayTimeout
components:
  securitySchemes:
    KeyPair:
      $ref: common.yaml#/components/securitySchemes/KeyPair
    ExternalOAuth:
      $ref: common.yaml#/components/securitySchemes/ExternalOAuth
    SnowflakeOAuth:
      $ref: common.yaml#/components/securitySchemes/SnowflakeOAuth
    ProgrammaticAccessToken:
      $ref: common.yaml#/components/securitySchemes/ProgrammaticAccessToken