> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.segmentationapi.com/api-reference/billing/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.segmentationapi.com/_mcp/server.

# Billing


## API Docs

- Billing [Create a billing checkout session](https://docs.segmentationapi.com/api-reference/billing/create-checkout.md)
- Billing [Create a billing portal session](https://docs.segmentationapi.com/api-reference/billing/create-billing-portal.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.segmentationapi.com/openapi.json)
- [OpenAPI YAML](https://docs.segmentationapi.com/openapi.yaml)