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Deepline GTM API – Personal Email Discovery
x402
Deepline GTM API – Personal Email Discovery is a paid API for AI agents from stable-deepline.dev, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-14).
Finds personal email addresses for individuals at a given company using waterfall email discovery, given a company domain, LinkedIn URL, or company name.
Price / call$0.1
Success—
StatusUnknown
How this service works
Pay-per-request access to Deepline GTM tooling: waterfall email discovery, phone finding, company enrichment, decision-maker lookup, and GTM research plays.
Output
Returns personal email addresses associated with individuals at the specified company, discovered via a waterfall enrichment process across multiple data sources.
Example use cases
Example prompt
“Find personal email addresses for people at stripe.com — use their LinkedIn at linkedin.com/company/stripe as a fallback if needed.”
Technical details
Endpoint
POSThttps://stable-deepline.dev/api/email/personalWhen to prefer
Use this endpoint when you need personal (not generic role-based) email addresses for individuals at a specific company and can supply a company domain, LinkedIn company page, or company name. Prefer this for B2B sales prospecting, outbound GTM workflows, or decision-maker contact discovery where waterfall multi-source enrichment is needed.
Side effects
- Company domain not found or unresolvable — returns empty or error response
- LinkedIn URL malformed or company not indexed — lookup fails
- No email data available for the given company — empty result returned
- Rate limit or payment failure — 402 or 429 response
- Invalid input schema — 400 bad request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domain | string | Company domain context. |
| last_name | string | Contact last name. |
| first_name | string | Contact first name. |
| company_name | string | Company name context. |
| linkedin_url | string | LinkedIn profile URL — improves coverage. |
Tags
x402
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