Domains

Check a from-address before sending

Changed on Sep 30, 2026

get/domains/check-deliverability

Request

Base URL
https://api.poststack.dev
Auth
- HTTP bearer
- or OAuth 2
  Authorization codehttps://poststack.dev/oauth/authorize
  Token URLhttps://poststack.dev/oauth/token
TypeScript
https://skmtc.dev/poststack/apis/poststack-api/docs/domains/check-deliverability/get.ts
A function with typed inputs. Its response is checked against the schema.

Query parameters

fromstring required

Address or Name <address>.

Response

Verification state of the sending domain, 30-day bounce/complaint rates and warnings.

fromstring

domainstring

domain_idinteger

domain_verifiedboolean

domain_statusstring

volume_30dobject

bounce_ratenumber

complaint_ratenumber

Changes

Sep 30, 20264dc1e20989c8 Revision changes
- warning
  added the new daily_limit_exceeded enum value to the //// response property for the response status
- warning
  added the new daily_limit_exceeded enum value to the response property for the response status
- warning
  added the new daily_limit_exceeded enum value to the response property for the response status
- warning
  added the new monthly_limit_exceeded enum value to the //// response property for the response status
- warning
  added the new monthly_limit_exceeded enum value to the response property for the response status
- warning
  added the new monthly_limit_exceeded enum value to the response property for the response status
- warning
  added the new send_limit_exceeded enum value to the //// response property for the response status
- warning
  added the new send_limit_exceeded enum value to the response property for the response status
- warning
  added the new send_limit_exceeded enum value to the response property for the response status
Sep 29, 2026ef5b22b98333 Revision changes
- info
  endpoint added

Operation history