# Payment Account Reference Inquiry API API

> Payment Account Reference Inquiry API API on Apizie: 1 endpoint (Submit an encrypted PAN to obtain the PAR linked to the account.) returned as clean JSON through one API key. 1 endpoint is live now. Call it over REST at https://zieapi.vercel.app/v1/open-data:mastercard-payment-account-reference-inquiry-api/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

- Project key: `open-data:mastercard-payment-account-reference-inquiry-api`
- Category: Open Data
- Status: live
- Source: https://mastercard.com
- Page: https://zieapi.vercel.app/api/open-data/mastercard-payment-account-reference-inquiry-api
- OpenAPI: https://zieapi.vercel.app/api/open-data/mastercard-payment-account-reference-inquiry-api/openapi.json

The Payment Account Reference Inquiry API is the unified Mastercard interface for allowing Mastercard Customers involved in payment card acceptance -- whether Merchants, Acquirers, or Digital Activity Customers (DACs)…

## Endpoints

### Submit an encrypted PAN to obtain the PAR linked to the account.
`POST https://zieapi.vercel.app/v1/open-data:mastercard-payment-account-reference-inquiry-api/post-par-paymentaccountreference-1-0-get-payment-account-ref`

| Parameter | Type | Required | Description |
|---|---|---|---|
| body | object | no | JSON request body |

## Example
```
curl "https://zieapi.vercel.app/v1/open-data:mastercard-payment-account-reference-inquiry-api/post-par-paymentaccountreference-1-0-get-payment-account-ref" \
  -H "x-api-key: $APIZIE_KEY"
```

## FAQ

### How do I call the Payment Account Reference Inquiry API API?
Create a free Apizie key, then send POST https://zieapi.vercel.app/v1/open-data:mastercard-payment-account-reference-inquiry-api/post-par-paymentaccountreference-1-0-get-payment-account-ref with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the Payment Account Reference Inquiry API API free on Apizie?
Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card.

### Can AI agents use the Payment Account Reference Inquiry API API?
Yes. Add the Apizie MCP server (https://zieapi.vercel.app/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key open-data:mastercard-payment-account-reference-inquiry-api.

### What is the status of the Payment Account Reference Inquiry API API?
Live: works with just an Apizie key