📋
AB-032

Payment Required Header

💰 Payments Pillar: Executability Moderate effort Severity: high Est. cost: $10-50 Gap: capability Fix: manual

What it means

Your payment responses include a header that tells agents payment is needed.

Why it matters

This header is the universal signal for 'payment required'. Without it, agents don't know to look for payment details.

Evidence expected

This rule is verified by:

http Source: Runtime probe
✗

What's wrong

No payment header. Agents don't realize they need to pay.

✓

What's right

Payment header clearly signals that payment is required.

Check this rule on your site

Enter your URL to check just this one rule (AB-001).

Related rules in Payments

Machine-Readable

This rule is also available as JSON: /rules/AB-032.json

Explore More

  • All Rules

    Browse the complete rules catalog

  • Agent Guide

    Learn how to fix this rule

  • Blog

    Related articles on agent readiness