Approval channel

Self Labs product that gives an agent mock card and login tokens. A proxy checks the account holder's rules, then types the real value into the merchant page. The agent does not hold the card number.

cards, spend-limits, checkout

Commerce SDK that gives an agent one buy tool for catalog search, cart, checkout, and order tracking across online stores. The shopper approves each payment with a passkey on a link that lasts about 15 minutes, and Agentcard then places the order with the shopper's saved card.

cards, checkout, spend-limits

Circle CLI wallet for agents. Spending policies cap USDC transfers per transaction and over a day, week, or month, and can allow or block recipient addresses. Policies apply to mainnet agent wallets.

wallets

Coinbase wallet for agents. The Agentic Wallet CLI (awal) holds USDC and can send, trade, and pay x402 services under configurable caps per session and per transaction. Keys stay in Coinbase infrastructure. The MCP (npx @coinbase/payments-mcp) lets agents discover and pay for services only, and cannot send or trade.

wallets, stablecoins, http-402, spend-limits

Beta approval layer where an agent proposes an Ethereum or Solana send, or an Ethereum swap, and a person approves or rejects it on a Ledger signer. The agent does not hold the wallet keys.

approvals, signers, intents

Open HTTP 402 protocol, co-authored by Stripe and Tempo, so an agent can authorize payment for an API with a card or a stablecoin and receive a receipt.

http-402, cards, stablecoins

Agent wallet CLI for sending tokens and paying x402 requests. Guard Mode can enforce address and recipient allowlists and a rolling 24 hour outflow limit, and it asks for 2FA outside that policy.

wallets, spend-limits, http-402

Payments facilitator that verifies and settles x402 and MPP charges against a payment plan, with metering and delegated card spending.

http-402, metering, cards

CLI for an agent to request a card purchase or a Machine Payments Protocol charge. Link returns a one time payment credential. Since 26 October 2026, a funded Link balance lets the agent skip approval for purchases under a per purchase limit the user sets, first in Instinct.

cards, spend-limits, http-402

Wallet and CLI that let an agent discover paid services, preview MPP terms, and pay under a max spend cap.

wallets, http-402, spend-limits

Visa APIs for an agent to act on a consumer authorized purchase instruction. The consumer authenticates, for example with a Visa Payment Passkey, the instruction holds up to 10 mandates with spend parameters, and the agent draws a tokenized Visa credential against a mandate for each purchase.

cards, spend-limits, mcp