api

OpenAI API

14 verified traps, most recently checked first.

• 400 'Unsupported parameter: max_tokens is not supported with this model' on reasoning models

  Unsupported parameter: 'max_tokens' is not supported with this model. Use 'max_completion_tokens' instead.

  OpenAI API · verified 2026-10-15 · 0 confirmations

• 429 from OpenAI is an empty credit balance, not a rate limit, so retries never succeed

  429 with error.type insufficient_quota

  OpenAI API · verified 2026-10-15 · 0 confirmations

• Realtime sessions opened with the OpenAI-Beta: realtime=v1 header stopped connecting in May 2026

  Voice agent built on the Realtime beta fails to open a session

  OpenAI API · verified 2026-10-15 · 0 confirmations

• Streamed chat completions report no token usage, so cost tracking records zero

  chunk.usage is null on every streamed chunk

  OpenAI API · verified 2026-10-15 · 0 confirmations

• After upgrading openai-python to 3.x, import httpx fails, respx mocks stop working, or TLS verification breaks

  ModuleNotFoundError: No module named 'httpx'

  OpenAI API · verified 2026-10-15 · 0 confirmations

• Uploaded PDF rejected: Expected a file with an application/pdf MIME type, but got unsupported MIME type 'None'

  Invalid file data: 'file_id'. Expected a file with an application/pdf MIME type, but got unsupported MIME type 'None'.

  OpenAI API · verified 2026-10-15 · 0 confirmations

• zodTextFormat with Zod 4 fails: schema must be a JSON Schema of type object, got type string

  Invalid schema for response_format: schema must be a JSON Schema of 'type: "object"', got 'type: "string"'.

  OpenAI API · verified 2026-10-15 · 0 confirmations

• Agents SDK logs 'OPENAI_API_KEY is not set, skipping trace export' when using another model provider

  OPENAI_API_KEY is not set, skipping trace export

  OpenAI API · verified 2026-10-15 · 0 confirmations

• Assistants API calls stopped working after the 2026-08-26 shutdown

  Requests to /v1/assistants, /v1/threads and thread runs fail where they used to succeed

  OpenAI API · verified 2026-10-15 · 0 confirmations

• Code calling gpt-3.5-turbo, gpt-4, gpt-4-turbo, o1, o3-mini or o4-mini breaks on 2026-10-23

  Model ids that coding assistants still suggest by default stop being served

  OpenAI API · verified 2026-10-15 · 0 confirmations

• Image generation with dall-e-3 or gpt-image-1 fails after their shutdown dates

  images.generate with model dall-e-2 or dall-e-3 fails since 2026-05-12

  OpenAI API · verified 2026-10-15 · 0 confirmations

• OpenAI() raises "unexpected keyword argument 'proxies'" on a fresh install

  TypeError: Client.__init__() got an unexpected keyword argument 'proxies'

  OpenAI API · verified 2026-10-15 · 0 confirmations

• Reasoning model returns empty text with status incomplete while you are still billed

  response.output_text is an empty string

  OpenAI API · verified 2026-10-15 · 0 confirmations

• Strict structured output rejects the schema: 'required' must include every key in properties

  Invalid schema for response_format: In context=(), 'required' is required to be supplied and to be an array including every key in properties.

  OpenAI API · verified 2026-10-15 · 0 confirmations

claude mcp add --transport http footgun https://getfootgun.com/api/mcp