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Browse our documentation, explore the API reference, or send us a message — we respond within 2 business hours.

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API · Enrichment engine · SMTP · CRM connectors — last checked 5 min ago
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User Manual
Step-by-step guides for enrichment, deduplication, CRM sync, and pipeline setup.
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API Reference
Full REST API documentation with endpoints, authentication, and code examples.
View API Docs →
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Knowledge Base
In-depth articles on lead scoring, email validation, integrations, and best practices.
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Email Support
Send us a detailed message. We respond within 2 business hours for all plans.
support@leedrush.com

Frequently Asked Questions

How does email validation work?
Each email goes through syntax checking, DNS MX record lookup, SMTP handshake (without sending), and disposable-domain detection. Records are categorized as valid, risky, invalid, role-based, disposable, catch-all, or unknown. Only valid records consume credits.
What file formats can I upload?
CSV and JSON are supported. CSV must include a header row with an email column named email, work_email, or contact_email. Maximum file size is 100 MB (up to 500k rows).
How do I connect my CRM?
Go to Integrations in your dashboard and click the CRM you want to connect. OAuth is used for HubSpot and Salesforce — you'll be redirected to authorize. Pipedrive uses an API token you paste in. See the User Manual for step-by-step instructions.
What's the difference between a credit and a lead?
A credit is consumed when a contact record passes the full enrichment pipeline and is output as a qualified lead. Duplicates, invalid emails, and records that fail quality thresholds do not consume credits.
Is my data secure?
All data is encrypted at rest (AES-256) and in transit (TLS 1.3). Leedrush is SOC 2 Type II compliant. You can request data deletion at any time from Settings → Data Retention. We never sell or share your data with third parties.
How do I get a refund or dispute a charge?
Contact billing@leedrush.com within 14 days of a charge. Credits for invalid batches (system error on our side) are issued automatically within 24 hours. Disputed charges are reviewed within 2 business days.

Send us a message

We'll respond to your registered email within 2 business hours (Mon–Fri, 9am–6pm UTC).

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