Add a do-not-contact entry

POSThttps://api.norreach.app/v1/suppressions

Blocks every send to an email address, a phone number, a company domain (and its sub-domains) or a LinkedIn URL — for automated outreach and replies alike. Adding an entry that already exists returns it (200).

⚠ suppressions:writeRole must allow: settings.complianceOperation id: create_suppression

POST/suppressions

curl -X POST "https://api.norreach.app/v1/suppressions" \
  -H "Authorization: Bearer $NORREACH_API_KEY" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{
  "kind": "email",
  "value": "no.thanks@example.com",
  "reason": "do_not_contact"
}'

Add a do-not-contact entry

{
  "id": "3e4f5a6b-7c8d-4e9f-8a0b-1c2d3e4f5a6b",
  "object": "suppression",
  "kind": "email",
  "value": "no.thanks@example.com",
  "reason": "do_not_contact",
  "created_at": "2026-11-04T09:12:33.120Z"
}

Authorizations

Authorizationstringheaderrequired

Bearer authentication: send Authorization: Bearer <key>, with an API key or an OAuth access token. The key needs the scope suppressions:write. API keys and scopes

Headers

Idempotency-Keystringheader

Any unique string (≤ 255). The same key with the same request returns the first answer for 24 hours.

Body

application/json

kindenumrequired

One of:emailphonedomainlinkedin

valuestringrequired

reasonenum

Email and phone entries only. Defaults to manual.

One of:manualdo_not_contactunsubscribedcomplaintbounced

Response

201application/json— Add a do-not-contact entry

idstring (uuid)required

An id (UUID).

object"suppression"required

kindenumrequired

erased = a person whose data was erased; only a fingerprint is kept, so value is null.

One of:emailphonedomainlinkedinerased

valuestring | nullrequired

reasonstring | nullrequired

created_atstringrequired

RFC 3339 UTC timestamp with milliseconds.

Errors

Errors are application/problem+json with a stable code.

Status	Code	Meaning
400	`bad_request`	The request couldn't be read.
400	`unknown_field`	The request has a field this operation doesn't know.
401	`unauthorized`	A valid API key is required.
403	`insufficient_scope`	This API key doesn't have the scope this operation needs.
403	`feature_not_enabled`	The API isn't switched on for this workspace.
403	`role_forbidden`	The key's creator's role can't do this.
409	`idempotency_in_progress`	A request with this Idempotency-Key is still running.
413	`too_large`	The request body is too large.
422	`validation_failed`	The request has invalid fields.
422	`idempotency_mismatch`	This Idempotency-Key was used with a different request.
429	`rate_limited`	Too many requests. Slow down and try again.
500	`server_error`	Something went wrong on our side.
503	`unavailable`	The API isn't available right now. Try again shortly.

POST/suppressions

curl -X POST "https://api.norreach.app/v1/suppressions" \
  -H "Authorization: Bearer $NORREACH_API_KEY" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{
  "kind": "email",
  "value": "no.thanks@example.com",
  "reason": "do_not_contact"
}'

Add a do-not-contact entry

{
  "id": "3e4f5a6b-7c8d-4e9f-8a0b-1c2d3e4f5a6b",
  "object": "suppression",
  "kind": "email",
  "value": "no.thanks@example.com",
  "reason": "do_not_contact",
  "created_at": "2026-11-04T09:12:33.120Z"
}