Crossmint
./PayAgent wallets, on-ramps, and headless checkout across stablecoin (x402) and card rails
MCPOpenAPIx402
$ protocol support
$ payment protocols
x402x402Coinbase, x402 Foundation · settlement
HTTP 402 standard for per-request stablecoin payments between an agent and an API
$ agent access
authWallet
onboardingFull — agent can self-onboard
tosExplicitly welcomes bots
webhooksYes
free tierYes
billingper-transaction
#agent-wallets#x402#checkout#stablecoin#commerce
https://www.crossmint.com
// last verified 8/26/2026
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