Zapier workflow to prevent duplicate CRM contacts
Our Zapier zaps sometimes create duplicate contacts from multi-channel lead inputs; looking for idempotent design patterns and deduplication checks that run reliably at scale. Prefer low-code solutions and webhook best practices.
Answers
Approved replies, operator insight, and tactical follow-up from the community.
Make each lead operation idempotent: generate a unique lead key (email + normalized phone + source + campaign) and always check it before creating. Practical steps:
- Normalize inputs (lowercase emails, strip phone chars).
- Use a Zapier “Find”/“Find or Create” against CRM, Zapier Storage, or Airtable before Create.
- Prefer CRM upsert endpoints keyed to your unique key for scale.
- For webhooks, accept an Idempotency-Key header and persist processed keys (Storage, Redis).
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