# AI Agent Payments with Stablecoins | StableRadar > Directory of AI agent payment initiatives using stablecoins. Canonical: https://stableradar.com/agents/directory Generated: 2026-10-26T08:33:51.432Z (live figures are a snapshot at build time; see the canonical page for current values) # 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 Ripple — x402 on XRPL RippleX supports x402 on the XRP Ledger so agents can pay with XRP and RLUSD; Ripple is a premier x402 Foundation member. x402.org ↗ Ripple — Mastercard Agent Pay for Machines RLUSD listed among supported stablecoins; RippleX a launch partner (Jun 2026). www.coininsider.com ↗ #### Protocols & networks x402 Foundation Linux Foundation project standardising HTTP-native payments for AI agents (members incl. Coinbase, Circle, Google, Visa, Mastercard, Stripe, Ripple). x402.org ↗ AP2 (Agent Payments Protocol) Google-led open protocol for agent payment mandates. ap2-protocol.org ↗ Mastercard Agent Pay Agent Pay and Agent Pay for Machines (cards, bank rails, stablecoins). www.mastercard.com ↗ Visa Intelligent Commerce Agent-provisioned Visa credentials for AI shopping agents (2025). www.galaxy.com ↗ Stripe (Agentic Commerce Protocol) ACP co-developed with OpenAI for agent checkout (2025). stripe.com ↗ #### Stablecoins & issuers Circle USDC for agent payments; premier x402 Foundation member. www.circle.com ↗ PayPal Agentic Commerce Services Agentic commerce for PayPal merchants (Oct 2025). www.galaxy.com ↗ #### Cards & spend Rain Enterprise stablecoin payments: stablecoin-powered cards and global money movement. www.rain.xyz ↗ Oobit Pay with crypto anywhere, send money worldwide, receive digital dollars. www.oobit.com ↗ AgentCard Lets AI agents pay online with your existing card; Mastercard holders via Mastercard Agent Pay. agentcard.ai ↗ Prava Payments API for AI agents: PCI-compliant card and wallet access with guardrails (US & SEA). www.prava.space ↗ Bitrefill Gift cards and top-ups purchasable with crypto. www.bitrefill.com ↗ #### On/off-ramps MoonPay Buy and sell crypto; x402 Foundation member. www.moonpay.com ↗ Halliday Crypto, stablecoin and bank deposits & onramps for onchain apps. www.halliday.xyz ↗ Mesh Global crypto payments network; settle in stablecoins or local currency. www.meshpay.com ↗ #### Wallets & infra Crossmint Enterprise stablecoin infrastructure: wallets, payments, onramps, compliance. www.crossmint.com ↗ Openfort Open-source wallet infra: dollar accounts, spending policies, agent wallets. www.openfort.io ↗ Turnkey Private-key management and wallet infrastructure API. www.turnkey.com ↗ 1Shot API Embedded self-custodial stablecoin wallet infrastructure. 1shotapi.com ↗ #### Security & identity Basis Theory Payments tokenization, routing and vaulting. basistheory.com ↗ Evervault Payments security and encryption. evervault.com ↗ Vouched Identity verification for individuals and agentic identities. www.vouched.id ↗ PayOS Payments data and identity signals to help AI agents transact. payos.ai ↗ t54 Risk & compliance for a trusted agentic economy. www.t54.ai ↗ MnemoPay “Trust OS” for AI agents: policy enforcement, approvals, signed receipts, payment rails. mnemopay.com ↗ #### Agent payment platforms Natural Agentic payments platform between agents, businesses and consumers. www.natural.com ↗ Catena Banking and governance platform for AI agents. catena.com ↗ Kite Payments layer for the agent economy with native stablecoin settlement. gokite.ai ↗ ATXP AI agent accounts: identity, payments, pay-per-use tools. atxp.ai ↗ Payman AI that executes banking transactions on existing rails with controls and audit trails. paymanai.com ↗ Nevermined Payments infrastructure for AI agents: delegated spending, credits. nevermined.ai ↗ Daydreams Markets, payment rails and settlement for autonomous agents. www.daydreams.systems ↗ Merit Systems Agentic commerce product house: tools for agents to discover services and pay. merit.systems ↗ Locus One account for AI agents to use thousands of paid APIs, billed per call. paywithlocus.com ↗ Sapiom Payment infrastructure for AI: payments, permissions, paid tools. www.sapiom.ai ↗ Skyfire Agent payments network (site blocks automated checks; listed in x402 ecosystem coverage). skyfire.xyz ↗ Lava Site currently describes an AI teammate product; agent-payments positioning not confirmed. www.lava.so ↗ #### Agentic checkout Rye Universal agentic checkout for in-app commerce. rye.com ↗ Firmly Agentic commerce platform making any digital experience shoppable. www.firmly.ai ↗ nekuda Makes websites actionable for agents (WebMCP). nekuda.ai ↗ MoonPay “PayBox” and Robinhood “Gold Card agents” product pages could not be verified and are omitted. Last updated: 2026-10-26 · Sources: [CoinGecko](https://www.coingecko.com/), [DefiLlama](https://defillama.com/stablecoins), [Coinbase Exchange](https://exchange.coinbase.com/), [XRPL](https://xrpl.org/)