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Free agent payments tool

Check Your x402 Payment Endpoint

Check whether a public API returns a valid x402 402 payment response before Cloudflare Wallets or other agent buyers can pay. No wallet connect required.

No account requiredPublic endpoint checkReviewed August 5, 2026
Open the plain-text guide
One public endpoint

Check x402 discovery

Checks the public payment response and discovery metadata. No payment or wallet connection.

Your discovery report will appear here

See whether agents can understand the payment requirement before they try to use the endpoint.

How to use

How to check an x402 endpoint

  1. 1

    Paste the public endpoint

    Enter one public HTTPS API URL that should return payment terms.

  2. 2

    Run the official check

    Choose GET or POST and check the endpoint with Coinbase's public validator.

  3. 3

    Fix the failed checks

    Review redirects, auth blocks, payment requirements, and Bazaar metadata.

Why this matters

Make paid APIs ready for agents

Cloudflare Wallets and other x402 buyers need a clear 402 response. A wallet handle alone does not price your API.

Guide

Read your x402 endpoint result

See what the endpoint returns

The tool sends the URL to Coinbase's public x402 validator and turns its checks into a short result.

Agent buyers that use Cloudflare Wallets, Monetization Gateway, or other x402 clients still need this 402 response before they can pay.

Check without making a payment

The checker never pays, signs, or connects a wallet.

Read each result carefully

A valid response shows protocol readiness, not ownership, service quality, or safety.

A redirect or login wall often fails before payment terms can appear.

Cloudflare Wallets and x402 for sellers Agent payments tool hub
Questions

Questions about x402 endpoint checks

Does this tool make a payment?

No.

Does this tool connect my wallet?

No.

Which request methods can I test?

You can test GET and POST endpoints.

Why must the endpoint use HTTPS?

The public validator expects a secure public endpoint.

What does a failed check mean?

It identifies a protocol or metadata item the endpoint should fix.

Does a pass prove API safety?

No. It only reports protocol and metadata checks.

Do I need Cloudflare Wallets to sell?

No. Buyers may use Cloudflare Wallets later. Sellers need a working x402 endpoint and clear public product facts.

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