> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.agenttrunk.ai/api-reference/billing/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.agenttrunk.ai/_mcp/server. # billing ## API Docs - billing [Get](https://docs.agenttrunk.ai/api-reference/billing/get.md) - billing [Create Checkout](https://docs.agenttrunk.ai/api-reference/billing/create-checkout.md) - billing [Create Portal](https://docs.agenttrunk.ai/api-reference/billing/create-portal.md) - billing [Set Spend Limit](https://docs.agenttrunk.ai/api-reference/billing/set-spend-limit.md) ## OpenAPI Specification The raw OpenAPI 3.1 specification for this API is available at: - [OpenAPI JSON](https://docs.agenttrunk.ai/openapi.json) - [OpenAPI YAML](https://docs.agenttrunk.ai/openapi.yaml)