Programmatic access to rewrite, score, subject lines, preheader, CTA, sequences, roast, teardown, A/B predict, and localize. Bearer-token auth. Rate-limited per workspace.
Score every outbound email from your CRM before send. Surface inline annotations to reps as they compose. Block sends below a threshold score.
Wire rewrite, score, and subject-line generation into your own product's email composer. The API returns the same structured output our editor uses.
Run sequences across many clients with brand-voice profiles per client. Generate, score, and refine programmatically from your own ops dashboard.
Mint an API key from workspace settings. Pass it as a bearer token in the Authorization header. Keys are scoped to a workspace; rate limits apply per workspace, not per key.
curl -X POST https://api.highconvertingemails.com/v1/rewrite \
-H "Authorization: Bearer hce_pk_..." \
-H "Content-Type: application/json" \
-d '{"draft":"Hi there, hope all is well.","kind":"cold-outreach"}'See the pricing page for the full breakdown.
Full reference at /api/docs. The OpenAPI spec is available at /openapi.json.