# Billsby — MCP server on mcp.ai > Connect your Billsby account and use 10 tools for payment processing straight from your AI agent. Connect with your own API key. Billsby is a subscription billing platform for managing customers, subscriptions, invoices, products, plans, usage counters, add-ons, and allowances. By: mcp.ai · official Page: https://mcp.ai/billsby ## Connect (MCP protocol) Remote MCP endpoint (HTTP, streamable): https://api.mcp.ai/p_billsby?ms=1787293560000 Add it as a custom/remote MCP connector, then authenticate when prompted. ## REST API (no MCP client required) Every tool is also a REST endpoint, authed with a workspace API key. Discover: GET https://api.mcp.ai/api/billsby/_endpoints # public; lists every endpoint Call: POST https://api.mcp.ai/api/billsby/ Authorization: Bearer sk_live_… # create one at https://mcp.ai/settings/api-keys Content-Type: application/json Body: { …args } → { "ok": true, "tool": "", "result": { … } } ## Developer docs How to use (MCP or REST), markdown: https://mcp.ai/billsby/skill.md Postman collection (v2.1): https://mcp.ai/billsby/postman.json ## Tools - billsby_create_customer(email: string, last_name: string, first_name: string, billing_address: object) — Create a Billsby customer without a subscription or payment card. This does not start recurring billing. - billsby_get_customer(customer_unique_id: string) — Get billing, contact, payment-status, and account details for one Billsby customer. - billsby_get_subscription(subscription_unique_id: string) — Get billing schedule, customer, product, plan, pricing, status, and revenue details for one Billsby subscription. - billsby_get_subscription_shipping_address(subscription_unique_id: string) — Get the shipping address associated with one Billsby subscription. - billsby_list_customer_subscriptions(customer_unique_id: string) — List all subscriptions belonging to one Billsby customer. - billsby_list_customers(search?: string, page_size?: integer, next_cursor?: string) — Return one page of customers for the connected Billsby company, optionally filtered by a partial customer name. - billsby_list_product_plans(product_id: integer) — List the plans and billing cycles configured for one Billsby product. - billsby_list_products(search?: string, page_size?: integer, visibility?: integer, next_cursor?: string) — Return one page of Billsby products, optionally filtered by name or visibility. - billsby_list_subscriptions(order_by?: string, is_active?: boolean, page_size?: integer, plan_name?: string, next_cursor?: string, product_name?: string, is_in_free_trial?: boolean, order_descending?: boolean) — Return one page of company subscriptions with optional status, trial, product, plan, and ordering filters. - billsby_update_customer(email: string, last_name: string, first_name: string, phone_number?: string, billing_address: object, customer_unique_id: string, phone_number_dial_code?: string, phone_number_dial_country?: string) — Replace the editable contact and billing-address details for an existing Billsby customer. Supply the complete desired values, not a partial patch. ## Example prompts - "What can I do in Billsby?" - "Show me a summary of my Billsby account" ## Links Docs: https://mcp.ai/docs/mcps/billsby Website: https://mcp.ai/mcps/billsby