serp402
GET https://serp402.com/api/v1/search
Listed in x402 List · Data: x402-list.com (CC BY 4.0)
Google search for agents, paid per call: web, news, images, videos, places, shopping and Scholar, all returned in one shape with canonicalised URLs, duplicates removed and dates normalised to ISO. Direct answers and knowledge-panel facts included when Google has them. USD 0.005 per call in USDC — no API key, no account, no subscription, no minimum. Results are retrieved through Serper (serper.dev), which is not affiliated with or endorsed by Google.
Other endpoints from serp402.com
The same service's other paid functions that Hagglyai tracks, each with its own price. Functions outside Hagglyai's categories are not listed.
| Endpoint | Category | Price per call |
|---|---|---|
| POST /api/v1/search | Web search | $0.005 |
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://serp402.com/api/v1/search"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-14 19:30 | Valid 402 | 402 | 1775 ms | $0.005 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves