
Engineering
Email Verification API: Design Deliverability Checks
Design an email verification API workflow that preserves status, provenance, retries, and downstream sending controls.
11 min read
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Every post on wiring enrichment into a pipeline — the API, the MCP server, rate limits, and job handling.

Design an email verification API workflow that preserves status, provenance, retries, and downstream sending controls.

Design dependable enrichment workflows with validation, job handling, idempotent retries, and item-level outcomes.