pay-with-any-token

Automating HTTP 402 payment challenges involves detecting the challenge, selecting a funding token, swapping on-chain via Uniswap, bridging assets to Tempo, and retrying the request. This workflow handles both traditional Tempo/MPP and EIP-3009 x402 paths with balance checks and user confirmations.

Yes, you can pay for API access using any token by swapping your selected funding token to bridge assets on-chain via Uniswap's Trading API. The swapped assets are then bridged to Tempo to satisfy the 402 payment challenge and retry the HTTP request.

MPP workflows represent traditional Tempo payment paths, whereas x402 utilizes EIP-3009 token standards. This automation handles both paths, providing user confirmations, safe fallbacks, and robust error handling for resilient API payment processing.

When your wallet lacks the required bridge asset for x402 token payments, the workflow selects an available funding token, executes an on-chain swap via Uniswap's Trading API, and bridges the result to Tempo before retrying the request.

Yes, Tempo CLI workflows support automated 402 payment retries by orchestrating balance checks, on-chain Uniswap swaps, asset bridging, and HTTP request retries for both MPP and x402 environments.

Automation limitations include potential on-chain swap failures, bridge delays, and insufficient funding token balances. The workflow mitigates these with permission prompts, detailed error handling, and safe fallbacks for resilient operation.