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Bulk Email Verification API
x402
Bulk Email Verification API is a paid API for AI agents from agent-data.centorprat.workers.dev, paid per call via x402, $0.1/call, status unknown (last checked 2026-10-29).
Verifies up to 200 email addresses per call with syntax, domain, MX, disposable, and role-account checks, returning a valid/risky/invalid verdict for each plus a summary.
Price / call$0.1
Success—
StatusUnknown
How this service works
Pay-per-call data and tools for AI agents, $0.002-0.01 per call in USDC via x402 (Base, Polygon or Solana), no account or API key; MAX tiers ($0.05-0.25) run deeper jobs. Agent toolkit: web search, search + read top pages, any page as clean markdown with a prompt-injection check, which-x402-API-to-call recommender, seller check. Data: Google Maps places with contacts, YouTube video data and transcripts, job listings (Indeed, LinkedIn, 13 boards), Google Ads Transparency, TikTok comments, Pinterest, Airbnb, Redfin, AliExpress, app stores, live sports, website and SEO checks, Shopify store tech stacks, and onchain token / address risk checks.
Output
For each email: a verdict (valid, risky, or invalid), syntax check pass/fail, domain existence, MX record presence, whether the domain is disposable, whether the address is a role account (e.g. info@, support@), and a catch-all indicator. Plus an overall summary with counts per verdict category.
Example use cases
Pre-campaign email list cleanup
“I have a list of 180 emails collected from our signup form over the past year — can you verify all of them and tell me which ones are valid, which are risky, and which I should remove before sending our newsletter?”
CRM import quality check
“Before I import these 95 contacts into our CRM, can you check each email for syntax errors, bad domains, missing MX records, and flag any disposable or role-based addresses?”
Lead gen catch-all and disposable detection
“We got 120 leads from a landing page and I suspect some used fake or throwaway emails — can you run them all through verification and highlight any disposable domains or catch-all servers?”
Technical details
Endpoint
POSThttps://agent-data.centorprat.workers.dev/email/verify-bulk?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to validate large batches of email addresses (up to 200 at once) with thorough checks beyond simple syntax — especially when disposable domain detection, role-account filtering, MX record verification, and catch-all hints are needed in a single call. Prefer over single-address validators when processing marketing lists, CRM imports, or lead gen exports at scale.
Side effects
- More than 200 emails submitted — array exceeds maxItems limit
- Malformed input — items in the array are not strings
- Domain DNS lookup timeout — MX record check may be inconclusive
- Catch-all detection is heuristic and may produce false positives
- Payment failure via x402 protocol — call rejected before processing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| emails | array |
Output
Schema · Response
{
"type": "json",
"example": {
"count": 2,
"results": [
{
"email": "support@stripe.com",
"verdict": "valid"
}
],
"summary": {
"risky": 0,
"valid": 1,
"invalid": 1,
"unknown": 0
}
}
}Tags
x402
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