Spendtrail
by GridwyrmUpdated Sep 22, 2026
Agent spend ledger and receipts. Record, fetch, and list normalized x402 payment receipts for buyer audit trails.
x402
receipts
spend
+2
|How to pay
Pick whichever fits your workflow — you can switch any time.
Subscribe
Monthly billing
Free
Predictable monthly cost with included usage. Best for steady, high-volume traffic.
- Unlimited tools within plan limits
- One API key, billed once a month
- Cancel any time
Pay-per-call
Agent-native
$0.02 – $0.05 per call
Charge agents in USDC the moment they call a tool. No subscriptions, no signup — pay only for what you use.
- 3 priced tools available
- Settled in USDC on Base
- No account or API key required
Spendtrail is an agent spend ledger for x402 buyers and sellers. Tools: record_receipt ($0.05), get_receipt ($0.02), list_spend ($0.05) USDC on Base (mainnet). Pay-to 0x4147Cbc188EA294D15785F262Bf3073434771aa7. Not a marketplace.