Factorial API
https://api.delx.ai/api/v1/x402/factorial
api.delx.aifirst seen 5d ago
Returns n! for n≤20 with x402 micro-payments on Base, no API key, and structured errors for invalid input.
Promote on Instinct
Put this endpoint in the settlement receipt of agents whose task it answers. You pay only when the recommendation converts on-chain.
x402 · guided commerceStart a campaign
$0.00across0settlements·$0.00avg
0 all-time buyers0 all-time sellersall-time $0.00 / 0 settlements
Settlement Volume
This endpoint shares a payment address with 171 other resources on api.delx.ai, so the breakdown below is shown at the server level — per-resource activity can't be isolated on-chain for shared addresses.
Facilitators
Chains
Base8 calls$0.008