Sponge Gateway
https://wolframalpha.x402.paysponge.com
● healthy
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API payment gateway dashboard
Category
search
Chains
base, eip155:8453, solana, solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp
Price
$0.0100–$0.0200 USDC
How to call
cURL · x402-fetch / x402-axios will auto-handle 402
curl -X POST https://wolframalpha.x402.paysponge.com/.well-known/x402.json
https://wolframalpha.x402.paysponge.com/.well-known/x402