1. Get an API key
Sign in at mag3nt.com with your wallet, then generate an API key from the dashboard.2. Install the SDK
3. Initialize the client
4. Fund your treasury
Send USDC or pathUSD to your treasury address (e.g. Base, Solana, or Tempo). Check your balance:5. Issue a card
6. Make a payment
Use your card to make a payment. mag3nt. automatically detects the protocol (x402, MPP, or AP2) and settles on-chain:Next steps
Card controls
MCC locks, single-use cards, spending limits
W3C HTTP Headers
How 402 payment challenges work
Funding
Deposits, balance, multi-network support
API Reference
All 42 endpoints with interactive examples