TaxSplit uses wallet-based authentication with JWT tokens. Obtain a token via the challenge-verify flow, then include it in the Authorization header for authenticated endpoints.
Challenge → verify flow
1
Request a challenge
Call POST /auth/challenge with the user’s wallet address.
2
Sign the message
Sign the returned challenge string with the user’s Solana wallet.
3
Verify the signature
Call POST /auth/verify with the wallet address, signature, and signed message to receive a JWT.
