🧪 Agent Payment + Postman Integration Tutorial
Speaker: Stephanie Goodman
Topic: Connecting MCP Server to Postman and Testing Agent Tools
[00:05]
Hi, I'm Stephanie Goodman with Agent Payment.
In this video, I'll show you how to:
– Connect your MCP server to Postman
– Hook it up to Agent Payment
– Test the available tools with real requests
[00:18]
I’m doing this on a Linux machine, so the file locations might be slightly different if you’re using Windows.
When using an MCP server in Postman:
– You’ll need to create a new collection (Postman won’t let you add a server to an existing one)
– Locate the Agent Payment MCP server file
– If you downloaded it via our NPM command (from the previous video), this is where you’ll find it
Make sure Studio is selected in the STDAO corner—it should be the default.
[00:57]
Next, let’s add our environmental variables:
- Budget key and API key → You’ll find these in your Agent Payment dashboard
- Haven’t signed up yet? Watch our first video for the setup steps
Paste your budget key and API key into Postman.
– The API key is in the Account Details tab
– Add a metadata instance ID (optional, but helpful for tracking requests in the dashboard)
[01:57]
Once configured, you’ll see the available tools in Postman.
These are the tools you've added to your budget.
You can view:
– What parameters each tool requires
– How they respond by submitting test requests
Just input a test function, hit Run, and observe the response below.
[02:43]
This is a great way to test tools before connecting your agent.
You can confirm:
– Required parameters
– Expected response structure
– Data format your agent will receive
This helps refine your agent prompts, knowing exactly how tools will behave.
[03:09]
In the dashboard, you’ll also see:
– The request you just sent
– What was passed to the tool
– How the tool responded
These logs are visible whether:
– You send the request via Postman/MCP server
– Or your LLM agent sends it directly
This is extremely helpful for debugging or designing your prompt flows.
[03:20]
You can also check the tool page to see required parameters—
they should match what you see in Postman.
That’s how you test tools before hooking up your agent.