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Engineeringv1

x402 Cheat Sheet

by Convrgent
x402-cheat-sheet-8ecd8b2f
live

Use x402 Cheat Sheet to x402 protocol reference and payment integration.

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Done. x402 Cheat Sheet is configured to x402 protocol reference and payment integration.

Description

The complete reference for the x402 micropayment protocol. Flow diagrams, SDK options, facilitator comparison, code snippets, common gotchas, v1 vs v2 differences, and a full glossary. Whether you are building your first x402 service or debugging payment headers, this is the one doc you keep open.

  • X402 protocol reference
  • Payment integration
  • SDK documentation
  • Troubleshooting guide

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Version History

v1

Feb 26, 2026

  • Initial release — complete x402 protocol reference

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