Developer Reference

Everything you need to integrate LeadVector into your applications. RESTful API with JSON responses, predictable URLs, and comprehensive error handling.

Get API Key

Authentication

All API requests require an API key passed in the Authorization header. You can generate your API key from the LeadVector dashboard.

Authorization: Bearer YOUR_API_KEY

Base URL

https://api.leadvector.app

Endpoints

POST/v1/email-finder

Find a verified email address by providing a person's name and company.

Parameters: first_name, last_name, company

POST/v1/email-verifier

Verify if an email address is valid, risky, or invalid with 7-layer validation.

Parameters: email

POST/v1/enrich/contact

Enrich a contact record with email, phone, company data, and social profiles.

Parameters: first_name, last_name, company (or linkedin_url)

POST/v1/enrich/company

Get complete company profile including firmographics, technographics, and key contacts.

Parameters: domain (or company_name)

GET/v1/domain-search

Find all available email addresses associated with a company domain.

Parameters: domain, limit, offset

POST/v1/bulk/email-finder

Submit a bulk email finding job with up to 10,000 records per request.

Parameters: records[] (array of {first_name, last_name, company})

POST/v1/bulk/verify

Submit a bulk email verification job with up to 50,000 emails per request.

Parameters: emails[] (array of email strings)

GET/v1/bulk/{job_id}/status

Check the status and progress of a running bulk job.

Parameters: job_id

Rate Limits

Free Plan50 requests/minute

Starter Plan200 requests/minute

Growth Plan500 requests/minute

Organization PlanCustom limits

Error Codes

400Bad Request — Invalid parameters

401Unauthorized — Invalid or missing API key

404Not Found — Contact not found in our database

429Too Many Requests — Rate limit exceeded

500Internal Server Error — Something went wrong

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