AI Agent Payments REFERENCE · official websites (checked) · as of 2026-10-26
Flat directory — no ranking. Ripple initiatives first. Descriptions are taken from each company's own site or the linked source.
Ripple
Protocols & networks
Linux Foundation project standardising HTTP-native payments for AI agents (members incl. Coinbase, Circle, Google, Visa, Mastercard, Stripe, Ripple).
x402.org ↗Google-led open protocol for agent payment mandates.
ap2-protocol.org ↗Agent Pay and Agent Pay for Machines (cards, bank rails, stablecoins).
www.mastercard.com ↗Agent-provisioned Visa credentials for AI shopping agents (2025).
www.galaxy.com ↗ACP co-developed with OpenAI for agent checkout (2025).
stripe.com ↗Stablecoins & issuers
Cards & spend
Enterprise stablecoin payments: stablecoin-powered cards and global money movement.
www.rain.xyz ↗Pay with crypto anywhere, send money worldwide, receive digital dollars.
www.oobit.com ↗Lets AI agents pay online with your existing card; Mastercard holders via Mastercard Agent Pay.
agentcard.ai ↗Payments API for AI agents: PCI-compliant card and wallet access with guardrails (US & SEA).
www.prava.space ↗Gift cards and top-ups purchasable with crypto.
www.bitrefill.com ↗On/off-ramps
Wallets & infra
Enterprise stablecoin infrastructure: wallets, payments, onramps, compliance.
www.crossmint.com ↗Open-source wallet infra: dollar accounts, spending policies, agent wallets.
www.openfort.io ↗Private-key management and wallet infrastructure API.
www.turnkey.com ↗Embedded self-custodial stablecoin wallet infrastructure.
1shotapi.com ↗Security & identity
Payments tokenization, routing and vaulting.
basistheory.com ↗Payments security and encryption.
evervault.com ↗Identity verification for individuals and agentic identities.
www.vouched.id ↗Payments data and identity signals to help AI agents transact.
payos.ai ↗Risk & compliance for a trusted agentic economy.
www.t54.ai ↗“Trust OS” for AI agents: policy enforcement, approvals, signed receipts, payment rails.
mnemopay.com ↗Agent payment platforms
Agentic payments platform between agents, businesses and consumers.
www.natural.com ↗Banking and governance platform for AI agents.
catena.com ↗Payments layer for the agent economy with native stablecoin settlement.
gokite.ai ↗AI agent accounts: identity, payments, pay-per-use tools.
atxp.ai ↗AI that executes banking transactions on existing rails with controls and audit trails.
paymanai.com ↗Payments infrastructure for AI agents: delegated spending, credits.
nevermined.ai ↗Markets, payment rails and settlement for autonomous agents.
www.daydreams.systems ↗Agentic commerce product house: tools for agents to discover services and pay.
merit.systems ↗One account for AI agents to use thousands of paid APIs, billed per call.
paywithlocus.com ↗Payment infrastructure for AI: payments, permissions, paid tools.
www.sapiom.ai ↗Agent payments network (site blocks automated checks; listed in x402 ecosystem coverage).
skyfire.xyz ↗Site currently describes an AI teammate product; agent-payments positioning not confirmed.
www.lava.so ↗