OpenAI API

active API / developer platform

OpenAI API allows commercial use; you own outputs; inputs are not used for training by default on API tier.

OpenAI API is OpenAI's paid developer platform. Commercial use is permitted, output ownership is assigned to the customer, and API inputs are not used for model training by default (distinct from free ChatGPT).

Basics

slug: openai-api
type: API / developer platform
status: active
last checked: 2026-04-18
official site: https://openai.com/api
official docs: https://platform.openai.com/docs

Rights

→ full Rights page

Key	Value	Condition	Source	Checked
`commercial_use_allowed`	yes		OpenAI Terms of Use	2026-04-18
`output_ownership`	yes	Customer owns output subject to Terms compliance.	OpenAI Terms of Use	2026-04-18
`redistribution_allowed`	conditional	Must comply with Usage Policies and attribution rules.	OpenAI Usage Policies	2026-04-18
`training_use_of_input`	no	Default for API tier; opt-in via explicit sharing.	API Data Usage Policies	2026-04-18

Constraints

→ full Constraints page

Key	Value	Condition	Source	Checked
`api_available`	yes		OpenAI Terms of Use	2026-04-18
`webhook_available`	yes	Available for select endpoints (e.g., Realtime, fine-tuning events).	API Data Usage Policies	2026-04-18

Recent changes

2026-01-01 OpenAI API pricing adjustment for several models effective 2026-01-01.

Primary sources

→ full Sources page

Primary official_docs · OpenAI
API Data Usage Policies
Checked: 2026-04-18
Primary official_terms · OpenAI
OpenAI Terms of Use
Checked: 2026-04-18
Primary official_docs · OpenAI
OpenAI Usage Policies
Checked: 2026-04-18

FAQ

Q. Can I use OpenAI API outputs commercially?

Yes. Per the OpenAI Terms of Use, the customer owns the output subject to compliance.

Q. Are API inputs used to train OpenAI models?

By default, no. API inputs are not used to train OpenAI models as of the current Terms.