API Reference

Build powerful integrations with the Bizwit REST API. All endpoints require Bearer token authentication.

Authentication

Authorization: Bearer YOUR_API_KEY

Base URL: https://api.bizwit.ai

Get your API key from Settings → Developer → API Keys inside the CRM.

Leads
GET
/api/v1/leads

List all leads with optional filters and pagination

POST
/api/v1/leads

Create a new lead with custom fields

GET
/api/v1/leads/:id

Get a single lead by ID

PUT
/api/v1/leads/:id

Update lead fields, stage, or assignment

DELETE
/api/v1/leads/:id

Archive or delete a lead permanently

Contacts
GET
/api/v1/contacts

List all contacts with search and filter support

POST
/api/v1/contacts

Create a new contact record

GET
/api/v1/contacts/:id

Retrieve full contact profile with activity

PUT
/api/v1/contacts/:id

Update contact details and custom properties

Deals
GET
/api/v1/deals

List deals with pipeline stage and value filters

POST
/api/v1/deals

Create a new deal linked to a contact or lead

PUT
/api/v1/deals/:id

Move deal stage, update value or close date

GET
/api/v1/deals/:id/activities

Get all activities logged on a deal

WhatsApp
POST
/api/v1/whatsapp/send

Send a WhatsApp message to a contact

POST
/api/v1/whatsapp/broadcast

Send a template message to a contact list

GET
/api/v1/whatsapp/conversations

List all active WhatsApp threads

GET
/api/v1/whatsapp/templates

List all approved message templates

Webhooks
GET
/api/v1/webhooks

List all configured webhook endpoints

POST
/api/v1/webhooks

Register a new webhook for an event type

DELETE
/api/v1/webhooks/:id

Remove a webhook subscription

Starter

500 req/hour

Rate limit

Professional

5,000 req/hour

Rate limit

Enterprise

Unlimited

Rate limit

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