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Resend

Resend — free tier with API key

💬 Social & WorkUNMONITORED
AUTH APIKEYCORS ✗AGENT ?HTTPS ✓COMMERCIAL ?

Resend exposes a free-tier JSON API. Register for an API key if required; we verified a public or demo endpoint.

—HOW IT'S SCORED ⓘ
Docs ↗
Status badge · for your READMEshipapis health badge: — · unmonitored
ON PROBE SCHEDULE

We probe a documented GET and expect 2xx JSON — full uptime and health score. Open provider docs ↗

Uptime historystarts after first probe

On our probe schedule. Uptime charts appear after the first check lands.

Example responsefrom provider docs — not verified by us
GET https://resend.com/api/v1

{
  "type": "not_authenticated",
  "message": "The user does not have an active session or is not authenticated"
}
Call itcurl · fetch · python
curl "https://resend.com/api/v1"
const res = await fetch("https://resend.com/api/v1");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://resend.com/api/v1")
print(res.json())

BROWSER CALLS BLOCKED (NO CORS/HTTPS) — USE THE CURL SNIPPET

Endpoints · 6On scheduleFULL DOCS ↗
On schedule — GET /api/v1 awaits first probe
GET/api/v1PROBED

Resend — free tier with API key

GET/api

Api — documented GET route.

GET/api/1

Api details by ID (example: 1).

GET/api?limit=10

Api — documented GET route.

GET/api/search?q=test

Search by query parameters.

GET/emails

Retrieve a list of emails

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Not tracked yet. Shape-change history starts once this API joins our probe schedule.

Resend: common questions

Is Resend free to use?

Yes — Resend is a free social & work API. Free tier: Free tier — API key required. Whether the free tier allows commercial use is unclear — check the provider docs.

Does Resend need an API key?

Yes — Resend needs a free API key, which you pass on each request. Rate limits: Unpublished.

Can I call Resend from the browser?

Not directly — Resend doesn't send browser-friendly CORS headers, so call it from a server or proxy instead. Copy the curl or Python snippet on this page to get started.

Is Resend up right now?

Resend is catalogued but not yet on our probe schedule, so we don't publish a live status for it. Check the provider's own status page or docs for its current state.