# Barvis Payment Checkout

> Barvis Payment Checkout is a paid API for AI agents from api.barvis.io, paid per call via x402, $5/call, status unknown (last checked 2026-09-14).

Initiates a payment checkout session via the x402 protocol on the Barvis platform

## Facts

- Endpoint: POST https://api.barvis.io/payment/checkout
- Price: $5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-barvis-io-ab1bf448
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_aKC7psJZxchM3RZ3finfy

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability api-barvis-io-ab1bf448 -d '<json body>'
```

Example prompt: I need to check out and complete my purchase on Barvis — can you submit the payment checkout request and confirm the transaction went through?

## When to prefer this

Use this endpoint when you need to programmatically initiate a payment checkout session through the Barvis platform using the x402 micropayment protocol, particularly when paying in USDC for a service or product within the Barvis ecosystem.

## Known failure modes

- Insufficient USDC balance or payment failure — returns error object
- Invalid or missing checkout payload — 400 Bad Request
- Unauthorized request — 401 or 402 payment required
- Downstream payment processor error — 500 Internal Server Error
- Malformed response with empty data object

## Output

Returns a JSON object with a data field containing the checkout result or transaction confirmation details from the Barvis payment system.

## Response schema (JSON Schema)

```json
{
 "data": "object"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-barvis-io-ab1bf448/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.barvis.io](https://www.zero.xyz/host/api.barvis.io/llms.txt)