x402, MCP & agent-commerce directory
Find payment protocols, agent wallets, networks, facilitators and machine-readable infrastructure. Each record says what an agent can do with it, whether it is live, and when zFinia last verified the public evidence.
Looking for paid APIs? Where agents find x402 APIs. zFinia products are labeled as products.
13 records. Empty categories are empty on purpose — no invented entries.
| Record | Type | Live | Layer | Last verified |
|---|---|---|---|---|
| x402 An open protocol that uses HTTP 402 so a client can pay a server, usually in USDC, and retry. Named for the reserved HTTP status Payment Required. | Protocols | Live / documented | Editorial | 2026-09-07 |
| Machine Payments Protocol (MPP) An open standard co-authored by Stripe and Tempo. Agents request a resource, receive a 402-style payment request, authorize, and the merchant can see the payment like any other PaymentIntent. | Protocols | Announced / waitlisted | Editorial | 2026-09-07 |
| Model Context Protocol (MCP) Open-sourced by Anthropic on 25 November 2024. MCP is a discovery and execution protocol. It is not itself a payment protocol. | Protocols | Live / documented | Editorial | 2026-09-07 |
| Visa Intelligent Commerce Visa’s agent-commerce wrapping: a tokenized card with user instructions. The shared design with x402 and MPP is policy-plus-envelope spending; the rails differ. | Wallets | Announced / waitlisted | Editorial | 2026-09-07 |
| Agentic Commerce Protocol (ACP) Stripe has described an Agentic Commerce Protocol alongside MPP and x402 support. zFinia files it as a named commerce interface, not as a verified settlement census. | Protocols | Announced / waitlisted | Editorial | 2026-09-07 |
| Base An Ethereum L2 listed in official x402 seller documentation as a CAIP-2 network for USDC settlement. | Payment networks | Live / documented | Editorial | 2026-09-07 |
| Solana Listed in official x402 seller documentation alongside Base. Presence in docs is not observed volume. | Payment networks | Live / documented | Editorial | 2026-09-07 |
| Tempo Public mainnet RPC announced 18 March 2026 with Stripe-coauthored MPP. | Payment networks | Live / documented | Editorial | 2026-09-07 |
| Coinbase CDP facilitator Authenticated Coinbase facilitator referenced in x402 seller documentation for mainnet, distinct from the test facilitator. | Infrastructure | Live / documented | Editorial | 2026-09-07 |
| PayAI facilitator Public facilitator listed in official x402 seller documentation. Evidence that facilitation is not a Coinbase-only function. | Infrastructure | Live / documented | Editorial | 2026-09-07 |
| Cloudflare Monetization Gateway Cloudflare product to charge for any Cloudflare-protected asset, with verification at the edge and launch settlement described as stablecoins over x402. | Infrastructure | Announced / waitlisted | Editorial | 2026-09-07 |
| Coinbase AgentKit Open-source toolkit for agents that need to hold and spend crypto under application policy. | Wallets | Live / documented | Editorial | 2026-09-07 |
| zFinia machine API zFinia’s own machine-facing intelligence and paid utilities. Catalogued here as a product, not as independent market evidence. | Data providers | Live / documented | zFinia product | 2026-09-07 |
Marketplaces: no independently verified records yet. Coverage follows evidence.
Services: no independently verified records yet. Coverage follows evidence.
Agents: no independently verified records yet. Coverage follows evidence.