Agentic Finance Index

Directory / x402

x402

Agentic Finance Index profile · Updated 2026-07-20

HTTP 402-based per-request stablecoin micropayments for APIs and agents.

OrganizationCoinbase / x402 Foundation
Stack layerStandard / protocol
SettlementUSDC (Base/Solana)
StatusLive

Status reflects our editorial read of public reporting as of 2026-07-20 — it is a coverage entry, not an endorsement or ranking.

Where it sits in the stack

x402 operates at the standard / protocol layer of the agentic-finance stack. Background reading: What is x402? · x402 vs AP2: what's the difference? · x402 vs ACP: what's the difference?.

Same-layer entries

AP2 · ACP

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