coinbase/x402
Jan 2026 – Jan 2026
1 Month active
Languages Used
JSONTypeScript
Technical Skills
API integrationExpressTypeScriptclient-side integrationfront end developmentfull stack development
PrimerDev
PROFILE
Primerdev
In January 2026, this developer delivered a comprehensive Primer SDK and Pay integration for the coinbase/x402 repository, establishing Primer Pay as a client-side browser wallet for x402 paywalls. They implemented a facilitator workflow and developed both client and server SDKs using TypeScript and Express, enabling end-to-end integration. Their work introduced ERC-20 and EIP-3009 support on the Base network, along with a new metadata structure that improved user interaction and partner onboarding. By adding TypeScript and Python bindings, they broadened developer adoption and streamlined ecosystem metadata management, demonstrating depth in API integration, client-side development, and full stack engineering.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
3Total
Bugs
0
Commits
3
Features
1
Lines of code
35
Activity Months1
Your Network
163 peopleShared Repositories
163
Work History
January 2026
3 Commits • 1 Features
Jan 1, 2026In January 2026, delivered a comprehensive Primer SDK and Pay integration for the x402 paywalls, establishing Primer Pay as a full client-side browser wallet integration with a robust facilitator workflow and client/server SDKs. The release introduced ERC-20 and EIP-3009 support on the Base network, along with a streamlined metadata structure and cross-language support (TypeScript and Python), replacing prior metadata to significantly improve user interaction with paywalls and partner onboarding.
3 Commits • 1 Features
Jan 1, 2026In January 2026, delivered a comprehensive Primer SDK and Pay integration for the x402 paywalls, establishing Primer Pay as a full client-side browser wallet integration with a robust facilitator workflow and client/server SDKs. The release introduced ERC-20 and EIP-3009 support on the Base network, along with a streamlined metadata structure and cross-language support (TypeScript and Python), replacing prior metadata to significantly improve user interaction with paywalls and partner onboarding.
January 2026
Activity
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Quality Metrics
Correctness100.0%
Maintainability93.4%
Architecture100.0%
Performance93.4%
AI Usage33.4%
Skills & Technologies
Programming Languages
JSONTypeScript
Technical Skills
API integrationExpressTypeScriptclient-side integrationfront end developmentfull stack development
Repositories Contributed To
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