Services — the AI agent directory

Machine Payments Protocol (MPP)
Open HTTP payment standard from Stripe and Tempo covering one-shot, recurring, and streaming agent payments across cards, stablecoins, and Lightning
- mpp
- payments
- protocol
- +4 more
- +3 more
MCPOpenAPIllms.txtMPP
5/5
Stripe Agentic Commerce Suite
Shared payment tokens, agentic network tokens, and ACP support so businesses can sell through AI agents
- agentic-commerce
- acp
- network-tokens
- +3 more
- +2 more
MCPOpenAPIllms.txtACP
5/5
Stripe Issuing for Agents
Issue virtual cards agents can spend on, with real-time authorization decisions, per-card spend controls, and full transaction visibility
- virtual-cards
- issuing
- spend-controls
- +3 more
- +2 more
MCPOpenAPIllms.txtMPP
5/5
Circle
USDC issuance, programmable wallets, and Circle Payments for agent-to-agent settlement
- usdc
- stablecoin
- wallets
- +2 more
- +1 more
MCPOpenAPIllms.txtx402
4/5
Lithic
Documentation-first card issuing API for running your own virtual card program, including cards handed to agents
- virtual-cards
- issuing
- spend-controls
- +2 more
- +1 more
OpenAPI
4/5
Marqeta
Enterprise card issuing platform with agentic payment controls and an MCP server over the issuing APIs
- virtual-cards
- issuing
- enterprise
- +3 more
- +2 more
MCPOpenAPI
4/5
Mastercard Agent Pay
Agentic tokens and Agent Pay registration so verified agents can initiate card payments for a consumer
- network-tokens
- cards
- agent-payments
- +2 more
- +1 more
OpenAPIllms.txtAgent Pay
4/5
Mercury Agent Cards
Virtual corporate cards created by a human and spent autonomously by an agent, with merchant and category limits
- virtual-cards
- agent-cards
- spend-controls
- +2 more
- +1 more
OpenAPI
4/5
Nevermined
Metering, authorization, and settlement for agent APIs, including an x402 facilitator and credit-based plans
- monetization
- metering
- x402
- +3 more
- +2 more
MCPOpenAPIllms.txtx402
4/5
Plaid
Bank account data, balances, and payment initiation, with a remote MCP server over the dashboard APIs
- banking
- account-data
- payments
- +2 more
- +1 more
MCPOpenAPIllms.txt
4/5
Visa Intelligent Commerce
Network tokens and credentials for approved agents, plus one endpoint bridging TAP, MPP, ACP and UCP
- bridge
- visa
- agent-payments
- +6 more
- +5 more
OpenAPIMPP
4/5
Zuplo
API gateway that puts an x402 or key-based paywall in front of any endpoint agents call
- api-gateway
- monetization
- x402
- +3 more
- +2 more
MCPOpenAPIllms.txtx402
4/5
Agentic Commerce Trust Protocol (Ant International)
Alibaba and Ant International trust protocol for agent commerce, running at scale across Asian marketplaces
- actp
- commerce
- asia
- +3 more
- +2 more
ACTP
3/5
American Express Agentic Commerce Experiences
Amex developer kit for agent-initiated card payments with cardholder-scoped authorization
- ace
- cards
- agent-payments
- +2 more
- +1 more
OpenAPIACE
3/5
Coinbase Commerce
Accept stablecoin and crypto payments through a hosted checkout API
- payments
- crypto
- checkout
- +2 more
- +1 more
OpenAPI
3/5
Nekuda
Wallet and mandate infrastructure for agentic checkout, aligned to ACP flows
- agent-wallets
- checkout
- acp
- +2 more
- +1 more
OpenAPIACP
3/5
NOWPayments
Crypto payment gateway API supporting 300+ assets with webhooks and payouts
- payments
- crypto
- gateway
- +2 more
- +1 more
OpenAPIllms.txt
3/5
Payman
Human-in-the-loop payment rails that let agents move real money under explicit approval policies
- agent-payments
- approvals
- payouts
- +2 more
- +1 more
OpenAPI
3/5
Slash
Programmatic virtual card issuing with agent-compatible APIs and granular spend rules
- virtual-cards
- issuing
- agent-cards
- +2 more
- +1 more
OpenAPIllms.txt
3/5