Alternatives
px402 alternatives: 15 documented options compared (November 2026)
The main documented alternatives to px402 are Coinbase Agentic Wallet, Fireblocks Agentic Payments Suite, Kite Agent Passport, L402, Machine Payments Protocol, Mastercard Agent Pay for Machines, MetaMask Agent Wallet, Nevermined, PayAI x402 facilitator, Polygon Agent CLI, Stripe link-cli, Sui Agentic Payments, Tempo Wallet, Wavelength, and x402.
Last verified 2026-11-03
Earlier records in this comparison were checked from 2026-10-19 through 2026-11-03.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| px402This listing | Live | No | http-402, stablecoins, pay-per-call | not documented | not documented | not documented | not documented | not documented | not documented | not documented | not documented | MIT. The npm page for px402 version 2.0.2 says the license is MIT. |
| Coinbase Agentic Wallet | Live | No | wallets, stablecoins, http-402, spend-limits | Keys in Coinbase infrastructure | x402, onchain transfer | Yes | Yes | not documented | not documented | not documented | Not changeable by agent per docs | The MCP FAQ says Agentic Wallet MCP is free, wallet creation is free, and gas fees are free because they are sponsored. x402 service calls vary by service, and Coinbase Onramp uses standard fees. That page does not name a software license. |
| Fireblocks Agentic Payments Suite | Live | Yes | http-402, stablecoins, spend-limits, wallets | The 20 May 2026 blog says users keep custody of their funds through embedded wallets and MPC key management. | not documented | not documented | not documented | not documented | not documented | not documented | not documented | Apache License 2.0. The README says this repository is the open source facilitator you run yourself, and that a hosted facilitator is a separate offer. |
| Kite Agent Passport | Live | No | wallets, stablecoins, http-402, spend-limits | not documented | not documented | not documented | not documented | not documented | not documented | not documented | not documented | not documented |
| L402 | Live | Yes | http-402, lightning, macaroons | not documented | not documented | not documented | not documented | not documented | not documented | not documented | not documented | MIT for the Aperture repository, which the L402 page calls an implementation. |
| 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. |
| Mastercard Agent Pay for Machines | Beta | No | http-402, spend-limits | not documented | not documented | not documented | not documented | not documented | not documented | not documented | not documented | not documented |
| MetaMask Agent Wallet | Live | No | wallets, spend-limits, http-402 | Self custody, server TEE or local seed | x402, onchain transfer | not documented | Yes | Yes | Yes | Yes | Passkey or device approval | not documented |
| 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 |
| PayAI x402 facilitator | Beta | No | http-402, stablecoins, pay-per-call | not documented | not documented | not documented | not documented | not documented | not documented | not documented | not documented | not documented |
| Polygon Agent CLI | Live | Yes | wallets, spend-limits, http-402 | Embedded smart wallet | x402, onchain transfer | Yes | Yes | not documented | Yes | Yes | 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. |
| Sui Agentic Payments | Beta | No | http-402, spend-limits, stablecoins | Owner pool, delegated key | x402, MPP, onchain transfer | Yes | Partial | Yes | not documented | Yes | not documented | not documented |
| Tempo Wallet | Live | No | wallets, http-402, spend-limits | User account, access key | MPP | Yes | Yes | Yes | not documented | Yes | Wallet or owner signature | not documented |
| Wavelength | Beta | Yes | lightning, wallets, mcp, http-402, macaroons, pay-per-call | Self-custodial client | Lightning | Partial | not documented | not documented | No | not documented | not documented | MIT. The GitHub license API reported this SPDX identifier for lightninglabs/wavelength on 2026-10-30. |
| x402 | Live | Yes | http-402, stablecoins, pay-per-call | not documented | not documented | not documented | not documented | not documented | not documented | not documented | not documented | Apache-2.0. |
How to choose
px402 is compared with the other Payment rails listings tagged http-402.
Tags on px402 are http-402, stablecoins, pay-per-call.
Every listing in this comparison shares the tag http-402.
Other tags differ across the table.
Status is Live for Coinbase Agentic Wallet, Fireblocks Agentic Payments Suite, Kite Agent Passport, L402, Machine Payments Protocol, MetaMask Agent Wallet, Nevermined, Polygon Agent CLI, px402, Stripe link-cli, Tempo Wallet, and x402. Status is Beta for Mastercard Agent Pay for Machines, PayAI x402 facilitator, Sui Agentic Payments, and Wavelength.
Open source is yes for Fireblocks Agentic Payments Suite, L402, Machine Payments Protocol, Polygon Agent CLI, Stripe link-cli, Wavelength, and x402. Open source is no for Coinbase Agentic Wallet, Kite Agent Passport, Mastercard Agent Pay for Machines, MetaMask Agent Wallet, Nevermined, PayAI x402 facilitator, px402, Sui Agentic Payments, and Tempo Wallet.
Custody model for px402 is not documented. That field is documented on 10 listings in this comparison and reads not documented on the rest.
The table has 16 rows. The first row is px402. The other 15 rows are alphabetical by name. This page does not score listings.
Listings
- px402This listing
- Coinbase Agentic WalletAlternative
- Fireblocks Agentic Payments SuiteAlternative
- Kite Agent PassportAlternative
- L402Alternative
- Machine Payments ProtocolAlternative
- Mastercard Agent Pay for MachinesAlternative
- MetaMask Agent WalletAlternative
- NeverminedAlternative
- PayAI x402 facilitatorAlternative
- Polygon Agent CLIAlternative
- Stripe link-cliAlternative
- Sui Agentic PaymentsAlternative
- Tempo WalletAlternative
- WavelengthAlternative
- x402Alternative
Comparisons
No comparison page pairs px402 with one of these alternatives. Comparisons
Questions
- What are the documented alternatives to px402?
- The main documented alternatives to px402 are Coinbase Agentic Wallet, Fireblocks Agentic Payments Suite, Kite Agent Passport, L402, Machine Payments Protocol, Mastercard Agent Pay for Machines, MetaMask Agent Wallet, Nevermined, PayAI x402 facilitator, Polygon Agent CLI, Stripe link-cli, Sui Agentic Payments, Tempo Wallet, Wavelength, and x402.
- How were these alternatives chosen?
- They are the other Payment rails listings tagged http-402. 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?
- No comparison page pairs px402 with one of these alternatives. A gap note for px402 is linked on this page.
- When was this page updated?
- The newest date among the records used here is 2026-11-03.