Introduction

Welcome to the LeadLeap API.

One REST interface for B2B data. Search people and companies, validate email, enrich anything with a domain, subscribe to live intent signals. Every endpoint is publicly priced and rate-limited in the open.

Base URL

https://api.leadleap.net

Minimum viable request

curl -H "Authorization: Bearer $LEADLEAP_KEY" \
  "https://api.leadleap.net/v1/leads?country=US&industry=Software"

All authenticated endpoints accept a bearer API key. See Authentication to generate one, or run your first request anonymously in the Playground.

Response envelope

Every response is a JSON object with data, meta, and (on failure) error:

{
  "data": [ ... ],
  "meta": {
    "request_id": "req_a1b2c3...",
    "timestamp": "2026-04-24T15:32:00.000Z",
    "total": 1243,
    "page": 1,
    "per_page": 25
  }
}

Authentication

Create keys, scopes, rotation.

Rate limits

Per-endpoint and global limits by plan.

Search leads

The flagship endpoint. Rich filter grammar.

Validate email

Single + bulk, confidence, SPF, DMARC.