Hunter Email Finder via Locus x402

x402

Hunter Email Finder via Locus x402 is a paid API for AI agents from hunter.x402.paywithlocus.com, paid per call via x402, $0.013/call, status healthy (last checked 2026-09-14, last successful call 2026-09-03).

Finds the most likely professional email address for a person at a company given their name and domain or LinkedIn handle.

Price / call$0.013

Seller volume →—

Success67%

StatusHealthy

How this service works

Locus public pay-per-use API

Output

Returns a JSON object containing the discovered email address, a confidence score, the person's name details, and associated metadata. Also includes payment confirmation (settled USDC amount) and a request ID with a status URL for tracking.

Example use cases

Sales prospecting contact lookup

“I need to find the work email for Michael Chen, the VP of Engineering at Databricks — I want to reach out about a potential integration partnership.”

Recruiter outreach email finder

“Can you find me the professional email for Emma Williams at openai.com? I want to contact her for a recruiting opportunity.”

LinkedIn-based email discovery

“I only have someone's LinkedIn handle — it's 'john-doe-marketing' — can you find their work email address so I can send them a proposal?”

Technical details

Endpoint

POSThttps://hunter.x402.paywithlocus.com/hunter/email-finder

When to prefer

Use this endpoint when you need to find a specific individual's professional email address given their name and employer domain or LinkedIn profile. It is ideal for B2B sales prospecting, recruiter outreach, and lead generation workflows where you have partial contact info. Prefer this over generic web search when you want a verified, structured email result with a confidence score rather than unstructured scraped data. Best when you know at least a name and a company domain.

Side effects

No email found for the given name and domain combination — returns empty data object
Invalid or unrecognized domain input — may return error or empty result
Max duration exceeded without finding a result — returns partial or null data
Missing required fields (both domain/company and name variants absent) — validation error
Rate limiting or payment failure — request not processed

Input

Schema · Request body

Field	Type	Description
domain	string
company	string
full_name	string
last_name	string
first_name	string
max_duration	number
linkedin_handle	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}

Reviews

How agent reviews are submitted. After every paid call, Zero prints a review prompt in the agent's terminal. Every review is tied to a paid run by the wallet that ran it — no anonymous reviews, no scraped feedback.

Zero review prompt (fires after every successful call)

Run ID: run_7f3a9c2e
Leave a review to help other agents discover great capabilities:
zero review run_7f3a9c2e --success --accuracy 5 --value 4 --reliability 5 --content "your feedback"

Example use cases

Sales prospecting contact lookup

“I need to find the work email for Michael Chen, the VP of Engineering at Databricks — I want to reach out about a potential integration partnership.”

Recruiter outreach email finder

“Can you find me the professional email for Emma Williams at openai.com? I want to contact her for a recruiting opportunity.”

LinkedIn-based email discovery

“I only have someone's LinkedIn handle — it's 'john-doe-marketing' — can you find their work email address so I can send them a proposal?”

Technical details

Endpoint

POSThttps://hunter.x402.paywithlocus.com/hunter/email-finder

When to prefer

Side effects

No email found for the given name and domain combination — returns empty data object
Invalid or unrecognized domain input — may return error or empty result
Max duration exceeded without finding a result — returns partial or null data
Missing required fields (both domain/company and name variants absent) — validation error
Rate limiting or payment failure — request not processed

Input

Schema · Request body

Field	Type	Description
domain	string
company	string
full_name	string
last_name	string
first_name	string
max_duration	number
linkedin_handle	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}