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How to connect HitPay MCP with ChatGPT Work

Connect ChatGPT Work to HitPay MCP. Charge a customer for an order, create an invoice for a customer, and more using natural language, with authentication handled for you.

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HitPay is a payments platform offering processing, invoicing, recurring billing, payouts, and merchant business APIs. Helps merchants accept payments and manage cash flow with unified, developer-friendly APIs.

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How to connect HitPay MCP with ChatGPT Work

ChatGPT Work is an agent inside ChatGPT built for your most ambitious work. It takes action across your apps and files, stays with a project for hours, and turns a goal into finished materials like sheets, slides, and docs - not just answers.

In this guide, I will explain the easiest and most secure way to connect your HitPay account to ChatGPT Work via Composio Connect, so it can process payments, create invoices, manage subscriptions, issue payouts, and reconcile transactions through natural language commands without ever putting your account credentials at risk.

Also integrate HitPay with

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Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's HitPay integration lets ChatGPT Work take actions like creating drafts, sending updates, labeling records, and more.
  • 1,500+ SaaS toolkits out of the box. Composio gives you instant access to a vast catalog of pre-built connectors, from Gmail and Slack to Notion, Linear, and Salesforce.
  • One MCP server for every app. Connect any of your applications on demand through a single endpoint, rather than juggling a separate server for each app.
  • Smart, context-aware tool loading. Unlike traditional MCP servers that dump every available tool into the LLM context window, Composio searches for and loads only the tools relevant to the task at hand.
  • Cross-app automation. Chain actions across multiple apps in a single run - fetch a thread, summarize it in Notion, and post highlights to Slack without leaving the conversation.

Prerequisites

  • A ChatGPT account with access to ChatGPT Work (rolling out across Pro, Enterprise, Edu, Plus, and Business plans). We will use the ChatGPT desktop app, which is available on every plan.
  • Access to the HitPay workspace you want to connect.
  • Composio MCP.

Note: Composio connects through OAuth. You will be asked to sign in and approve specific permissions. Review the permission screen carefully if you are using a work account.

Step-by-step: Connect HitPay to ChatGPT Work

1. Open the MCP settings

In ChatGPT Work, go to Settings and open the Plugins section. Inside the Plugins page, click the MCP tab.

ChatGPT Work settings showing the Plugins page with the MCP tab selected

2. Add the server

Click Add server. In the Name field enter Composio, for Type select Streamable HTTP, and in the URL field paste the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
ChatGPT Work Add server dialog with the name Composio, type Streamable HTTP, and the Composio MCP URL

Then click Save. The Composio server now appears in your MCP plugins list.

ChatGPT Work Plugins page showing the Composio MCP server added to the list

3. Authenticate

Click Authenticate, log in via Composio, and click Allow access to authorize ChatGPT Work to use your Composio account.

Composio login and Allow access screen for ChatGPT Work MCP setup

4. Start using Composio

That is it - Composio tools are now available in ChatGPT Work. Ask it to work with your HitPay account and it will run the actions you authorize.

What you can do after connecting HitPay

  • Charge a customer for an order
  • Create an invoice for a customer
  • List recent payouts to bank account

Security + privacy notes (important)

  • Use least-privilege access: Only grant permissions you actually need.
  • Review OAuth permissions before approving: Make sure requested scopes match what you expect Composio and ChatGPT Work to do.
  • Keep write actions human-reviewed: For actions like sending messages, creating labels, or editing drafts, keep manual confirmation enabled.
  • Be careful with sensitive data: Avoid using this setup with highly sensitive information unless allowed by your personal, company, or client policies.
TOOLS

Supported Tools

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

Get Account Status

Check the connected HitPay business's verification, bank-account, and payment-provider readiness.

Get Balances

Return available, pending, deposit, and reserve balances by currency and wallet provider.

Get Location

Retrieve one HitPay business location by ID.

Get Payment Request

Retrieve the current status and details of one HitPay payment request.

List Charges

Search completed and attempted charges by status, date, amount, payment request, customer, or location.

List Customers

List customer records stored by the connected HitPay business.

List Invoices

Find invoices by customer email, status, or merchant reference.

List Locations

List business locations, optionally filtering by name keywords or an exact location ID.

List Orders

Search HitPay commerce orders by version, status, date, or keywords.

List Payment Requests

Search hosted payment requests and inspect their current payment status.

List Product Categories

Browse or search active and nested HitPay product categories.

List Products

Search the HitPay product catalog using product, inventory, location, and sales-channel filters.

List Recurring Billings

Find recurring billing records by customer, reference, plan, or status.

List Staff

Return staff members visible to the connected HitPay business account.

List Subscription Plans

List recurring-payment plans configured for the connected HitPay business.

FRAMEWORKS

How to build HitPay MCP Agent with another framework

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Claude Cowork

Use HitPay MCP with Claude Cowork

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Hermes

Use HitPay MCP with Hermes

FAQ

Frequently asked questions

With a standalone HitPay MCP server, the agents and LLMs can only access a fixed set of HitPay tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from HitPay and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. ChatGPT Work fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right HitPay tools.

Yes, absolutely. You can configure which HitPay scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your HitPay data and credentials are handled as safely as possible.

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