API Reference

Programmatic access to your ReplyBase workspace. Build integrations, sync contacts, send messages, and manage leads from your own stack.

Coming Soon — Available Q3 2026

The REST API is under active development and will be available to Business plan subscribers first. The endpoint overview below reflects the planned API surface.

Overview

The ReplyBase REST API lets you read and write to your workspace programmatically. All requests are authenticated via a Bearer API key generated in Settings → Integrations → API Keys.

Base URL
https://app.replybase.co.uk/api/v1

Authentication
Authorization: Bearer rb_live_xxxxxxxxxxxxxxxx

Key Concepts

API Keys

Scoped keys with read/write permissions. Rotate or revoke at any time from Settings.

REST + JSON

Standard REST conventions. All requests and responses use application/json.

Rate Limits

Business plan: 1,000 req/min. Scale plan: 200 req/min. Headers included in every response.

Planned Endpoints

GET/v1/contacts— List all contacts in your workspace

GET/v1/contacts/:id— Retrieve a single contact with conversation history

GET/v1/conversations— List conversations with optional channel and status filters

GET/v1/leads— List leads with score, status, and enrichment data

POST/v1/leads/:id/tags— Add tags to a lead record

POST/v1/messages— Send an outbound message to a contact on a connected channel

GET/v1/bots— List bots configured in your workspace

Get notified when the API launches

Business plan subscribers will get early access and full API documentation.

Get Started