Instantly Inbox Placement Test API

Endpoints to run and read inbox placement tests across major mailbox providers, used to measure deliverability and quantify spam-folder risk before launching campaigns.

Instantly Inbox Placement Test API is one of 9 APIs that Instantly publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Inbox Placement, Deliverability, and Testing. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.

OpenAPI Specification

api_v2.json Raw ↑