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SparkPost API

REST discovered

Details
URL
https://api.sparkpost.com/api/v1
Docs
https://developers.sparkpost.com/api/
Authentication
SparkPost API key api_key discovered Get key ↗
Authorization: <credential> /Authorization: Basic <credential>

Sign in to the SparkPost app and create an API key from API Keys. The API reference says to create and manage API keys in the app, with an EU variant at EU API Keys. Use the key in the Authorization header, or as the Basic auth username with an empty password.