agentutility — paid x402 API catalog

https://x402.agentutility.ai

● healthy ai

817 pay-per-call APIs for AI agents. Every endpoint is POST /<name> and is payable in USDC over x402 on Base and Solana — no signup, no API key, just pay-per-call. GET https://x402.agentutility.ai/ returns the same catalog as machine-readable JSON.

Quality grade

How grading works

B 78.5 / 100

Availability 40.0 / 40

Endpoint responded (HTTP 200)

Payability 10.0 / 20

✗ Answers a real HTTP 402 challenge
✓ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✓ Price declared

Demand 28.5 / 40

50 distinct payers, 14912 USDC transfers in the last 30 days

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 20 h ago. On-chain activity last read 46 h ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

816 resource(s) advertised by this origin.

https://x402.agentutility.ai/13f-deltas

https://x402.agentutility.ai/ability-check

https://x402.agentutility.ai/accounts-receivable-aging-score

https://x402.agentutility.ai/ad-banner-image-expand

https://x402.agentutility.ai/ad-creative-image-generate

https://x402.agentutility.ai/add-watermark

https://x402.agentutility.ai/address-geocode

https://x402.agentutility.ai/address-intel

https://x402.agentutility.ai/address-intel-pack

https://x402.agentutility.ai/address-intelligence

https://x402.agentutility.ai/address-parse

https://x402.agentutility.ai/agent-card-resolve

https://x402.agentutility.ai/agent-input-guard

https://x402.agentutility.ai/agent-prelaunch-audit

https://x402.agentutility.ai/agent-run-review

https://x402.agentutility.ai/agent-trace-brief

https://x402.agentutility.ai/ai-content-detector

https://x402.agentutility.ai/ai-image-detector

https://x402.agentutility.ai/ai-to-human-text

https://x402.agentutility.ai/air-quality

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://x402.agentutility.ai/13f-deltas

/.well-known/x402.json

https://x402.agentutility.ai/.well-known/x402

Listed in

Directories this entry was found in.

cdp-bazaar x402scan