A fully RESTful API with webhooks, SDKs for every major language, and OAuth 2.0 authentication. Everything you need to integrate Leadify into your stack.
api.leadifylabs.com/v1Enterprise-grade API built for reliability, speed, and security.
Three flexible auth methods to fit your integration needs.
curl -X GET "https://api.leadifylabs.com/v1/contacts" \ -H "Authorization: Bearer sk_live_abc123..." \ -H "Content-Type: application/json"
Six resource groups covering every CRM operation.
Manage leads, customers, and organizations
/v1/contactsTrack opportunities through your pipeline
/v1/dealsConfigure stages and pipeline workflows
/v1/pipelinesLog calls, emails, meetings, and tasks
/v1/activitiesManage team members, roles, and permissions
/v1/usersSubscribe to real-time event notifications
/v1/webhooksTest endpoints interactively without writing a single line of code.
Real API endpoints to connect Leadify with the tools your team already uses. Every integration includes authentication, CRUD operations, and webhook events.
Every integration follows the same pattern: authenticate, configure sync rules, then data flows automatically.
Get real-time notifications when events happen in your Leadify account.
contact.createdTriggered when a new contact is added
{ "event": "contact.created", "data": { "id": "ct_93x", "name": "Jane Doe", "email": "jane@acme.co" } }deal.updatedTriggered when a deal field changes
{ "event": "deal.updated", "data": { "id": "dl_47k", "stage": "Negotiation", "value": 25000 } }deal.wonTriggered when a deal is marked won
{ "event": "deal.won", "data": { "id": "dl_47k", "value": 25000, "won_at": "2026-04-12T10:00:00Z" } }deal.lostTriggered when a deal is marked lost
{ "event": "deal.lost", "data": { "id": "dl_52m", "reason": "Budget constraints" } }activity.loggedTriggered when an activity is recorded
{ "event": "activity.logged", "data": { "id": "ac_81n", "type": "call", "duration": 340 } }user.invitedTriggered when a team member is invited
{ "event": "user.invited", "data": { "id": "us_19p", "email": "new@team.co", "role": "member" } }Generous limits that scale with your plan.
X-RateLimit-LimitMaximum requests allowed per windowX-RateLimit-RemainingRequests remaining in current windowX-RateLimit-ResetUnix timestamp when the window resetsRetry-AfterSeconds to wait before retrying (only on 429)Official client libraries for every major language.
Predictable error responses to help you debug faster.
The request body is malformed or missing required fields.
{ "error": { "code": "bad_request", "message": "Field 'email' is required." } }Authentication credentials are missing or invalid.
{ "error": { "code": "unauthorized", "message": "Invalid API key provided." } }The API key does not have permission for this action.
{ "error": { "code": "forbidden", "message": "Insufficient permissions to delete contacts." } }The requested resource does not exist.
{ "error": { "code": "not_found", "message": "Contact ct_93x not found." } }Too many requests. Retry after the window resets.
{ "error": { "code": "rate_limited", "message": "Rate limit exceeded. Retry after 60s." } }An unexpected error occurred on our end.
{ "error": { "code": "internal_error", "message": "Something went wrong. Our team has been notified." } }Get your API key in under a minute. Full access to every endpoint with our generous free tier.
Free tier includes 100 requests/min, all endpoints, and community support.