Agent Tools
GET https://agents.crowdspark.me/v1/email/check
Listed in Coinbase x402 Bazaar
Email validation for signup forms, lead lists and CRM cleanup: checks syntax, MX mail servers, disposable or temporary domains, role addresses (info@, sales@) and free providers. Returns a deliverable_guess. No SMTP probe, no data stored.
Other endpoints from agents.crowdspark.me
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 /v1/convert | Web page extraction | $0.003 |
| GET /v1/fx/rates | Stocks & forex | $0.001 |
| GET /v1/pdf/text | Web page extraction | $0.0035 |
| GET /v1/web/markdown | Web page extraction | $0.0015 |
| GET /v1/web/read | People & company enrichment | $0.003 |
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://agents.crowdspark.me/v1/email/check"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseEstimated calls per day
Paid calls to agents.crowdspark.me's tracked endpoints each day, estimated from the 30-day totals the x402 catalogues report. Each bar is the change in that 30-day total since the day before, plus the calls that left the 30-day window (taken as an average day). It is an estimate: Hagglyai does not measure or pay for these calls.
No usage reported for any of 6 tracked endpoints. Unknown usage is left out, not counted as zero.
Compared with other providers
Coverage matters: a provider whose endpoints report more of their usage can rank higher.
| # | Provider | Reported 30-day calls | Coverage |
|---|---|---|---|
| 1 | stableenrich.dev | 41,582 | 15 of 31 endpoints |
| 2 | win.oneshotagent.com | 14,238 | 13 of 26 endpoints |
| 3 | x402.orthogonal.com | 5,540 | 202 of 267 endpoints |
| 4 | agent402.tools | 3,767 | 146 of 232 endpoints |
| 5 | api.clawfetch.ai | 2,877 | 4 of 8 endpoints |
| 6 | market.datapackvibe.com | 2,824 | 1881 of 4030 endpoints |
| 7 | api.kadec0.xyz | 1,488 | 12 of 12 endpoints |
| 8 | api.x402node.dev | 1,308 | 161 of 189 endpoints |