@postbote/adapter-resend

Postbote adapter for Resend — native resend SDK.

Installation

pnpm add @postbote/adapter-resend

Usage

import { resend } from "@postbote/adapter-resend";
import { createPostbote } from "@postbote/core";

const postbote = createPostbote({
  adapter: resend({ apiKey: "re_..." }),
});

const result = await postbote.send({
  from: "Acme <[email protected]>",
  to: "[email protected]",
  subject: "Welcome",
  text: "Hello!",
});

Options

| Option | Type | Default | Description | |---|---|---|---| | apiKey | string | — | Resend API key | | client | Resend | — | Existing Resend SDK instance (injectable) |

Client Injection

Pass a pre-configured SDK instance for testing or custom setup:

import { Resend } from "resend";
import { resend } from "@postbote/adapter-resend";

const client = new Resend("re_...");
const adapter = resend({ client });

Error Mapping

| Condition | Code | |---|---| | HTTP 401 | AUTH | | HTTP 422 (validation error) | INVALID_MESSAGE | | HTTP 403 / 404 (contact not found) | RECIPIENT_REJECTED | | HTTP 429 | RATE_LIMITED | | HTTP 5xx / network error | PROVIDER_UNAVAILABLE | | Timeout | TIMEOUT |

Contract

Passes the full @postbote/adapter-contract suite.

HTTP variant

For a fetch-based, zero-dependency version (edge-compatible), see @postbote/adapter-resend-http.

License

MIT — see LICENSE.md.