Hihemax Mail API · v1

Send & verify email from your app

A fast, simple REST API for transactional email and hosted email verification (one-time codes + magic links). Authenticate with an API key, pay per action in credits, and ship in minutes with official SDKs for Node, Python, Edge/Deno and PHP.

Try it in 10 seconds

Get an API key from the Developer section of your dashboard, then:

bash

curl -X POST https://hihemaxmail.hdock.app/api/v1/send \
  -H "Authorization: Bearer hm_your_key" \
  -H "Content-Type: application/json" \
  -d '{"to":"you@example.com","subject":"Hi","text":"It works!"}'

What you can do

Send transactional email — single messages or batches up to 100, with HTML, reply-to, cc/bcc.
Verify email addresses — hosted OTP codes and magic links, fully managed (generated, sent, hashed, expired, attempt-limited, single-use).
Inspect your account — credit balance and usage history.
Drop-in SDKs — one consistent surface across Node, Python, Edge/Deno and PHP, plus recipes for Supabase, Neon and Appwrite.

Conventions

Field	Type	Description
Base URL	https	All endpoints live under https://hihemaxmail.hdock.app/api/v1.
Format	JSON	Requests and responses are JSON. Send Content-Type: application/json on POST.
success	boolean	Every response carries a top-level "success" flag. Errors are false.
requestId	string	Every response includes a requestId (req_…). Log it; quote it in support requests.
CORS	enabled	Access-Control-Allow-Origin: * on every route, with OPTIONS preflight handled.
Versioning	path	The version is in the path (/api/v1). Breaking changes ship under a new version.