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OpenAPI

The complete Reply API specification is available in OpenAPI 3.1 format. Use it to:
  • Generate client libraries
  • Explore the API structure
  • Import the API into tools such as Postman

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OpenAPI Spec

View OpenAPI Spec

Open the complete OpenAPI specification (YAML)

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Postman

Import the Reply API into Postman to explore and test it.

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What’s included

Importing the OpenAPI spec gives you:
  • Every Reply API endpoint, grouped by tag — Sequences, Contacts, Email Accounts, Templates, and more
  • Request and response schemas for each operation
  • A baseUrl collection variable, taken from the spec
  • Collection-level Bearer authentication, ready for your API key

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Setup

1

Get your API key

  1. Sign in to Reply.io account
  2. Go to Settings → API Key.
  3. Create a new API key or copy an existing one.
2

Import the collection

  1. Open Postman.
  2. Click Import, then select Link.
  3. Paste the OpenAPI spec URL below, then click Continue and Import.
Postman builds a collection from the spec.
3

Configure your environment

The import sets baseUrl from the spec. Add your API key as an environment variable:
4

Set authentication

Include your API key as a Bearer token:

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Test your setup

Send a request to:
If authentication succeeds, the API returns information about the authenticated user.