AI Gateway

AI Gateway Completions API

The Completions API from AI Gateway — 1 operation(s) for completions.

GitHub OpenAPI

Specifications

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OpenAPI
https://raw.githubusercontent.com/api-evangelist/ai-gateway/refs/heads/main/openapi/ai-gateway-completions-api-openapi.yml

OpenAPI Specification

ai-gateway-completions-api-openapi.yml Raw ↑ 
openapi: 3.1.0
info:
  title: Portkey AI Gateway Analytics Completions API
  version: 1.0.0
  description: REST API for the Portkey AI Gateway, exposing OpenAI-compatible inference endpoints (chat, completions, embeddings, images, audio, files, batches, fine-tuning, assistants and threads, prompts, responses) plus admin endpoints for analytics, configs, API keys, integrations, providers, virtual keys, guardrails, policies, prompt management, workspaces, MCP, logs, and feedback. Selected as the canonical "AI gateway" exemplar for this index entry; the broader landscape is catalogued in apis.yml.
  contact:
    name: Portkey
    url: https://portkey.ai/docs/
servers:
- url: https://api.portkey.ai/v1
  description: Production inference and admin API
security:
- PortkeyApiKey: []
  PortkeyProvider: []
tags:
- name: Completions
paths:
  /completions:
    post:
      tags:
      - Completions
      summary: Create a text completion
      responses:
        '200':
          description: Completion
components:
  securitySchemes:
    PortkeyApiKey:
      type: apiKey
      in: header
      name: x-portkey-api-key
      description: Portkey API key header.
    PortkeyProvider:
      type: apiKey
      in: header
      name: x-portkey-provider
      description: Upstream provider selector header.