Email on Acid

Email on Acid API

REST API for automating email testing across 100+ email clients and devices, including email rendering previews, spam filter testing, seed list management, and accessibility checks. Supports sandbox mode for development and test result storage for 90 days.

GitHub OpenAPI

Documentation

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Documentation
https://api.emailonacid.com/docs/latest

Specifications

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OpenAPI
https://raw.githubusercontent.com/api-evangelist/email-on-acid/refs/heads/main/openapi/email-on-acid-openapi.yml

OpenAPI Specification

email-on-acid-openapi.yml Raw ↑