Billsby MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Billsby MCP or direct API to manage customers, inspect subscriptions, review invoices, and update billing plans through natural language.

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Api Key

Billsby is a subscription billing platform for managing customers, subscriptions, invoices, products, plans, usage counters, add-ons, and allowances. It helps SaaS and subscription teams automate billing operations without building complex billing logic from scratch.

10 Tools

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Type what you want done — sign in and watch it run live in the Tool Router playground.

TOOL ROUTER PLAYGROUND
Billsby
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TOOLS

Supported Tools

Every Billsby action and event your agent gets out of the box.

Create Customer

Create a Billsby customer without a subscription or payment card.

Get Customer

Get billing, contact, payment-status, and account details for one Billsby customer.

Get Subscription

Get billing schedule, customer, product, plan, pricing, status, and revenue details for one Billsby subscription.

Get Subscription Shipping Address

Get the shipping address associated with one Billsby subscription.

List Customers

Return one page of customers for the connected Billsby company, optionally filtered by a partial customer name.

List Customer Subscriptions

List all subscriptions belonging to one Billsby customer.

List Product Plans

List the plans and billing cycles configured for one Billsby product.

List Products

Return one page of Billsby products, optionally filtered by name or visibility.

List Subscriptions

Return one page of company subscriptions with optional status, trial, product, plan, and ordering filters.

Update Customer

Replace the editable contact and billing-address details for an existing Billsby customer.

SETUP GUIDE

Connect Billsby MCP Tool with your Agent

1

Install Composio

typescript
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcp
Install the Composio SDK for Python or TypeScript
2

Initialize Client and Create Tool Router Session

typescript
import { Composio } from '@composio/core';

const composio = new Composio({ apiKey: 'your-api-key' });
const session = await composio.create('your-user-id');
console.log(`Tool Router session created: ${session.mcp.url}`);
Import and initialize the Composio client, then create a Tool Router session for Billsby
3

Connect to AI Agent

typescript
import { openai } from '@ai-sdk/openai';
import { experimental_createMCPClient as createMCPClient } from '@ai-sdk/mcp';
import { generateText } from 'ai';

const client = await createMCPClient({
  transport: {
    type: 'http',
    url: session.mcp.url,
    headers: {
      'x-api-key': 'your-composio-api-key',
    },
  },
});

const tools = await client.tools();
const { text } = await generateText({
  model: openai('gpt-4o'),
  tools,
  messages: [{
    role: 'user',
    content: 'Find overdue Billsby invoices and summarize affected customers'
  }],
  maxSteps: 5,
});

console.log(`Agent: ${text}`);
Use the MCP server with your AI agent (Anthropic Claude or Mastra)
SETUP GUIDE

Connect Billsby API Tool with your Agent

1

Install Composio

typescript
npm install @composio/openai
Install the Composio SDK
2

Initialize Composio and Create Tool Router Session

typescript
import OpenAI from 'openai';
import { Composio } from '@composio/core';
import { OpenAIResponsesProvider } from '@composio/openai';

const composio = new Composio({
  provider: new OpenAIResponsesProvider(),
});
const openai = new OpenAI({});
const session = await composio.create('your-user-id');
Import and initialize Composio client, then create a Tool Router session
3

Execute Billsby Tools via Tool Router with Your Agent

typescript
const tools = session.tools;
const response = await openai.responses.create({
  model: 'gpt-4.1',
  tools: tools,
  input: [{
    role: 'user',
    content: 'List all active Billsby subscriptions created this month'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
Get tools from Tool Router session and execute Billsby actions with your Agent

Why Use Composio?

AI Native Billsby Integration

  • Supports both Billsby MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable tool execution across customers, subscriptions, invoices, products, plans, add-ons, allowances, and usage counters
  • Rich coverage for reading, writing, and querying your Billsby billing data without bespoke integration code

Managed Auth

  • Secure API key handling so your agents don't need hard-coded Billsby credentials
  • Central place to manage, scope, and revoke Billsby access
  • Per user and per environment credentials for safer billing automation

Agent Optimized Design

  • Tools are tuned using real error and success rates to improve reliability over time
  • Comprehensive execution logs so you always know which Billsby billing action ran, when, and on whose behalf

Enterprise Grade Security

  • Fine-grained RBAC so you control which agents and users can access Billsby
  • Scoped, least privilege access to sensitive billing resources like customers, invoices, and subscriptions
  • Full audit trail of agent actions to support finance review and compliance
FRAMEWORKS

Use Billsby with any AI Agent Framework

Choose a Framework you want to connect Billsby with

FAQ

Frequently asked questions

Yes, Billsby requires you to configure your own API key. Once set up, Composio handles secure credential storage and API request handling for you.

Yes! Composio's Tool Router enables agents to use multiple toolkits. Learn more.

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. Learn more.

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

Start with Billsby.It takes 30 seconds.

Managed auth, hosted MCP servers, and every Billsby tool your agent needs.Free to start.

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