Anthropic API
active API / developer platformAnthropic API permits commercial use; customer owns outputs; API inputs are not used to train Anthropic models by default.
Anthropic API provides programmatic access to Claude models. Commercial use is permitted, the customer retains ownership of outputs, and inputs/outputs are not used to train Anthropic models by default (distinct from the Claude consumer product).
Basics
- slug
anthropic-api- type
- API / developer platform
- status
- active
- last checked
- 2026-04-18
- official site
- https://www.anthropic.com/api
- official docs
- https://docs.anthropic.com
Rights
→ full Rights page| Key | Value | Condition | Source | Checked |
|---|---|---|---|---|
commercial_use_allowed |
yes | Anthropic Commercial Terms of Service | 2026-04-18 | |
output_ownership |
yes | Anthropic Commercial Terms of Service | 2026-04-18 | |
training_use_of_input |
no | Anthropic Commercial Terms of Service | 2026-04-18 |
Constraints
→ full Constraints page| Key | Value | Condition | Source | Checked |
|---|---|---|---|---|
api_available |
yes | Anthropic API Documentation | 2026-04-18 |
Primary sources
→ full Sources page-
Primary official_docs · AnthropicAnthropic API DocumentationChecked: 2026-04-18
-
Primary official_terms · AnthropicAnthropic Commercial Terms of ServiceChecked: 2026-04-18
FAQ
Q. Are Anthropic API inputs used to train Claude?
No, by default. API customer inputs and outputs are not used to train Anthropic models.