---
title: "Create an API key"
method: POST
path: "/v1/api-keys"
tags: ["API keys"]
---

# Create an API key

`POST /v1/api-keys`

## Request

- Base URL: `https://api.send0.dev`
- URL: `https://api.send0.dev/v1/api-keys`
- Auth: HTTP bearer

The full key is returned once.

## Headers

- `Idempotency-Key` string

## Request body

- object
  - `name` string, required
  - `scopes` string[]
  - `inbox_ids` string[], nullable

## Response `201`

ApiKeyWithSecret

- ApiKeyWithSecret
  - `object` 'api_key', required
  - `id` string, required
  - `name` string, required
  - `prefix` string, required
  - `mode` 'live' | 'test', required
  - `scopes` string[], required
  - `inbox_ids` string[], nullable, required
  - `last_used_at` string, date-time, nullable, required
  - `created_at` string, date-time, required
  - `key` string, required: Shown once

## Other responses

- `400`: Invalid request
- `401`: Missing or invalid API key
- `403`: Not allowed (scope, policy or account state)
- `404`: Not found, or not visible to this key
- `429`: Rate limit (`rate_limited`, see Retry-After) or daily send limit reached

---

[API](https://skmtc.dev/send0/apis/send0-api.md) · [All operations](https://skmtc.dev/send0/apis/send0-api/llms.txt) · [OpenAPI document](https://skmtc.dev/send0/apis/send0-api/revisions/5b9775525cef?raw)