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

# Billing

> Build on Jelliu's AI voice and omnichannel agents — REST API, webhooks and MCP.


## API Docs

- Billing [Retrieve the subscription](https://developer.jelliu.co/api-reference/billing/get-billing-subscription.md)
- Billing [Retrieve usage for the current month](https://developer.jelliu.co/api-reference/billing/get-billing-usage.md)
- Billing [Retrieve plan limits](https://developer.jelliu.co/api-reference/billing/get-billing-limits.md)
- Billing [Retrieve weekly AI allowance usage](https://developer.jelliu.co/api-reference/billing/get-billing-ai-usage.md)

## OpenAPI Specification

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