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Email API

PostStack

EU-hosted email API for transactional and marketing email, with contacts, broadcasts, and analytics

Official docs on poststack.dev Show on the wall

Docs link reachable when ApiWall checked it on Oct 19, 2026.

Docs link history
  1. Reachable: Oct 18, 2026 – Oct 19, 2026

Catalog facts

Authentication
apiKeyNeeds an API key, usually issued after you create an account with the provider.
HTTPS
YesServed over HTTPS, so traffic to the API is encrypted.
CORS
NoBrowsers block direct calls from other websites; call it from your server.

Access and pricing

ApiWall has not verified pricing, free access or usage terms for this API. A listing here does not mean it is free, available or safe to call. Check the provider's current terms.

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<div data-apiwall-api="api-poststack-0qovk7c1q8"></div>
<script src="https://eziodevio.github.io/ApiWall/embed.js" async></script>

As JSON: /api/v1/apis/api-poststack-0qovk7c1q8.json · Developers

From the public-apis community catalog (MIT), README line 966. ApiWall is independent and not affiliated with this provider.