OpenAI Models API — List Available Models & IDs

How to call GET /v1/models on APIMaster.ai to list available model IDs. Covers OpenAI API models response format, model id naming conventions, and which GPT, Claude, and DeepSeek models are available.

Models

Request

GET https://apimaster.ai/v1/models

curl -s "https://apimaster.ai/v1/models" \
  -H "Authorization: Bearer YOUR_API_KEY"

Example response

{
  "object": "list",
  "data": [
    { "id": "claude-sonnet-4-6", "object": "model", "owned_by": "..." },
    { "id": "gpt-5.4", "object": "model", "owned_by": "..." }
  ]
}

The exact list depends on your account and active channels.

Naming

Lowercase slugs with hyphens, aligned with marketplace tabs.
Do not append channel numbers in API calls — routing picks a channel server-side.

See Supported models.