402 Index

About 402 Index

A protocol-agnostic directory of paid APIs for agents and applications, helping developers discover services that can be paid for with Lightning, crypto, or traditional rails. It sits in the emerging machine-payments ecosystem around L402, x402, and agentic API commerce.

Last updated: June 13, 2026

Company Details

• Website: https://402index.io/
• Founded: Est. 2024
• Headquarters: N/A (Bitcoin project)

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