# Deepline GTM Phone Finder

> Deepline GTM Phone Finder is a paid API for AI agents from stable-deepline.dev, paid per call via x402, $0.6/call, status unknown (last checked 2026-09-15).

Finds phone numbers associated with a company by domain, LinkedIn URL, or company name

## Facts

- Endpoint: POST https://stable-deepline.dev/api/phone/find
- Price: $0.6/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/deepline-gtm-phone-finder-31acc4ab
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_PQ_GyJBRDAsJGu34VyFfN

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability deepline-gtm-phone-finder-31acc4ab -d '<json body>'
```

Example prompt: Find me the phone number for the company at stripe.com — I want to reach out to them for sales.

## When to prefer this

Use this endpoint when you need to find a phone number for a specific company identified by domain, LinkedIn URL, or name — especially in B2B sales or GTM workflows where you need direct contact info for outreach.

## Known failure modes

- No phone number found for the given company — returns empty or null result
- Invalid domain format causes request to fail
- Company not recognized in enrichment database — no data returned
- Rate limiting or payment failure if USDC balance is insufficient

## 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 phone number(s) associated with the target company, looked up via a waterfall enrichment process using the provided domain, LinkedIn URL, or company name as identifiers.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "email": {
   "type": "string",
   "description": "Optional known email context."
  },
  "domain": {
   "type": "string",
   "description": "Company domain context."
  },
  "last_name": {
   "type": "string",
   "minLength": 1,
   "description": "Contact last name."
  },
  "first_name": {
   "type": "string",
   "minLength": 1,
   "description": "Contact first name."
  },
  "linkedin_url": {
   "type": "string",
   "description": "LinkedIn profile URL — improves coverage."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/deepline-gtm-phone-finder-31acc4ab/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from stable-deepline.dev](https://www.zero.xyz/host/stable-deepline.dev/llms.txt)