Alternatives
AP2 alternatives: 8 documented options compared (November 2026)
The main documented alternatives to AP2 are Agent Vault, Agentcard opencommerce, Crossmint Agent Checkout, Machine Payments Protocol, Nevermined, Shop MCP, Stripe link-cli, and Visa Intelligent Commerce.
Last verified 2026-11-02
Earlier records in this comparison were checked from 2026-10-19 through 2026-11-02.
Payment rails · AP2 · Gap note
Comparison
A cell reads not documented when the directory has no sourced value. The first row is this listing. The other rows are alphabetical by name.
| Listing | Status | Open source | Tags | Custody model | Rail or protocol | Per-payment cap | Period budget | Payee or protocol allowlist | Human approval above a threshold | Revoke | Who can raise the cap | License |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AP2This listing | Beta | Yes | mandates, cards, stablecoins | User signed mandate | cards, x402 | Yes | Partial | Yes | not documented | not documented | not documented | Apache-2.0. |
| Agent Vault | Live | No | cards, spend-limits, checkout | Card vault, agent holds a token | cards | Yes | Yes | Partial | Yes | Yes | Dashboard login | not documented |
| Agentcard opencommerce | Live | No | cards, checkout, spend-limits | Shopper card in Agentcard Vault | cards | Partial | not documented | not documented | Yes | Yes | Passkey or device approval | not documented |
| Crossmint Agent Checkout | Live | No | checkout, cards, spend-limits | not documented | not documented | not documented | not documented | not documented | not documented | not documented | not documented | not documented |
| Machine Payments Protocol | Live | Yes | http-402, cards, stablecoins | Delegated access key or server key | cards, onchain transfer, Lightning | not documented | Yes | Yes | not documented | Yes | Wallet or owner signature | Apache-2.0. |
| Nevermined | Live | No | http-402, metering, cards | Card token or ERC-4337 | x402, MPP, cards | No | Yes | Yes | not documented | Yes | API key or CLI | not documented |
| Shop MCP | Live | Yes | cards, mcp, spend-limits | One time credential | cards | Yes | Yes | not documented | Yes | Partial | not documented | MIT. |
| Stripe link-cli | Live | Yes | cards, spend-limits, http-402 | Link payment credential | MPP, cards | Yes | Yes | not documented | Yes | not documented | not documented | MIT. |
| Visa Intelligent Commerce | Live | No | cards, spend-limits, mcp | Tokenized Visa credential | cards | Yes | not documented | not documented | Yes | Partial | Passkey or device approval | MIT for the visa/ai tooling. The GitHub license API reported MIT on 2026-11-02. |
How to choose
AP2 is compared with the other Payment rails listings tagged cards.
Tags on AP2 are mandates, cards, stablecoins.
Every listing in this comparison shares the tag cards.
Other tags differ across the table.
Status is Live for Agent Vault, Agentcard opencommerce, Crossmint Agent Checkout, Machine Payments Protocol, Nevermined, Shop MCP, Stripe link-cli, and Visa Intelligent Commerce. Status is Beta for AP2.
Open source is yes for AP2, Machine Payments Protocol, Shop MCP, and Stripe link-cli. Open source is no for Agent Vault, Agentcard opencommerce, Crossmint Agent Checkout, Nevermined, and Visa Intelligent Commerce.
Custody model for AP2 is User signed mandate. Other values are Card vault, agent holds a token for Agent Vault, Shopper card in Agentcard Vault for Agentcard opencommerce, not documented for Crossmint Agent Checkout, Delegated access key or server key for Machine Payments Protocol, Card token or ERC-4337 for Nevermined, One time credential for Shop MCP, Link payment credential for Stripe link-cli, and Tokenized Visa credential for Visa Intelligent Commerce.
The table has 9 rows. The first row is AP2. The other 8 rows are alphabetical by name. This page does not score listings.
Listings
- AP2This listing
- Agent VaultAlternative
- Agentcard opencommerceAlternative
- Crossmint Agent CheckoutAlternative
- Machine Payments ProtocolAlternative
- NeverminedAlternative
- Shop MCPAlternative
- Stripe link-cliAlternative
- Visa Intelligent CommerceAlternative
Comparisons
Questions
- What are the documented alternatives to AP2?
- The main documented alternatives to AP2 are Agent Vault, Agentcard opencommerce, Crossmint Agent Checkout, Machine Payments Protocol, Nevermined, Shop MCP, Stripe link-cli, and Visa Intelligent Commerce.
- How were these alternatives chosen?
- They are the other Payment rails listings tagged cards. A page is built only when that set has at least 3 other listings. Peers are alphabetical by name. The page does not score listings and does not read sponsor records.
- What does the phrase not documented mean?
- The phrase not documented means the directory has no sourced value for that field on that listing. The page does not fill a blank with a guess.
- Which fields are compared?
- The table columns are Status, Open source, Tags, Custody model, Rail or protocol, Per-payment cap, Period budget, Payee or protocol allowlist, Human approval above a threshold, Revoke, Who can raise the cap, and License.
- Is there a comparison page or a gap note?
- Yes. AP2 vs Machine Payments Protocol pairs AP2 with one of these alternatives. A gap note for AP2 is linked on this page.
- When was this page updated?
- The newest date among the records used here is 2026-11-02.