Overview
Paste and locally decode x402 payment challenge headers or JSON, then generate a safe cURL request template.
x402 Inspector Pro is the ultimate developer utility for inspecting, decoding, and simulating HTTP 402 Payment Required challenges in modern agentic commerce workflows. Built specifically for developers building and integrating payment-gated APIs (x402), this extension gives you clear visibility into agent micro-settlement challenges right inside your browser. KEY FEATURES: • Visual Header Inspection: Instantly intercept and decode x402 HTTP headers to see prices, target token assets, chain IDs, and payment facilitator endpoints in human-readable cards. • Signature Challenge Simulator: Test local signature generation and payment challenge responses without spending real crypto assets during development. • 1-Click Code Export: Copy inspected x402 requests instantly into formatted cURL commands or fetch blocks to drop straight into your terminal, Cloudflare Workers, or Hono backends. • Pro Agentic Gateway: Streamline machine-to-machine payment verification and debug payment-gated API endpoints in real time. Fast, lightweight, and built for developer productivity on EVM, Base, and testnet environments.
Details
- Version1.0.3
- UpdatedJuly 30, 2026
- FeaturesOffers in-app purchases
- Offered bymccauleyloren56
- Size12.03KiB
- LanguagesEnglish
- DeveloperLOREN KYLE MCCAULEY
2305 main st miles city, MT 59301 USEmail
mccauleyloren56@gmail.comPhone
+1 406-309-5041 - TraderThis developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
Privacy
x402 Inspector Pro — Challenge Decoder has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
x402 Inspector Pro — Challenge Decoder handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
