CRM API (Application Programming Interface) is set of protocols enabling external applications to programmatically interact with CRM data and functionality. Works through HTTP requests (GET, POST, PUT, DELETE) to specific endpoints (/contacts, /accounts, etc.) authenticated via OAuth 2.0 or API keys. Returns JSON responses with requested data or operation results. Enables reading, writing, updating, and deleting CRM records from custom applications, websites, mobile apps, or integration tools without manual CRM interface access.

CRM API Access is permission to programmatically interact with CRM system enabling custom integrations, automated workflows, and application development. Need it for connecting CRM with other business systems (ERP, marketing, support), building custom mobile apps, automating data synchronization, creating custom dashboards, extracting data for analytics, implementing complex workflows, and extending CRM capabilities beyond standard features. Essential for businesses with unique integration needs or custom application requirements.

Sign up for Leadsup CRM account, navigate to Settings > API Access, generate API credentials (API key or OAuth 2.0 client credentials), review documentation at docs.leadsup.com/api, test in sandbox environment, and begin development. Most plans include API access; enterprise plans offer higher rate limits and dedicated support. Activation typically immediate with no approval process. Free sandbox included for testing.

Comprehensive capabilities including reading all CRM data (contacts, accounts, opportunities, activities), creating and updating records, deleting records, executing complex queries with filters, bulk operations processing thousands of records, webhook subscriptions for real-time notifications, custom object access, building mobile apps, integrating with websites and third-party tools, automating workflows, extracting data for analytics, implementing custom business logic, and developing complete applications using CRM as backend. Unlimited customization possibilities.

Yes, enterprise-grade security including OAuth 2.0 token-based authentication eliminating password exposure, HTTPS/TLS encryption for all data in transit, API keys for simple scenarios, role-based permissions controlling access, field-level security protecting sensitive data, IP whitelisting, rate limiting preventing abuse, audit trails tracking all API usage, and regular security audits. Compliance with SOC 2, GDPR, and industry standards. Security matches or exceeds major platforms like Salesforce and HubSpot.

Pricing varies by plan tier. Basic plans typically include API access with 10,000-25,000 requests/hour. Professional plans offer 50,000-100,000 requests/hour. Enterprise plans provide unlimited API calls with dedicated support. Typical costs: Basic $0-50/month, Professional $100-300/month, Enterprise $500+/month. Many platforms include API access in standard CRM subscription at no additional cost. Evaluate based on anticipated API usage volume.

API is request-response pattern where application calls CRM to retrieve or modify data on-demand. Webhooks are event-driven notifications where CRM calls application URL when specific events occur (record created, updated, deleted). API requires application to poll for changes; webhooks push notifications in real-time. Best practice combines both: webhooks for event notifications, API for detailed data retrieval. Webhooks reduce API calls and latency versus polling.

OAuth 2.0 (authorization code flow for user-delegated access, client credentials flow for server-to-server), API keys (simple authentication for server-side applications), basic authentication (username/password for legacy scenarios, not recommended), and JWT tokens (stateless authentication for distributed systems). OAuth 2.0 recommended for most scenarios providing secure, token-based authentication without exposing passwords. API keys suitable for internal automation.

For OAuth 2.0: register application in CRM, obtain client ID and secret, redirect users to authorization URL, exchange authorization code for access token, include token in API requests (Authorization: Bearer <token>). For API key: generate key in Settings, include in request header (X-API-Key: <key>) or query parameter. Test authentication in sandbox before production. Comprehensive authentication tutorials in documentation.

Rate limits vary by plan: Basic 10,000 requests/hour, Professional 50,000/hour, Enterprise 100,000+/hour with custom limits available. Burst capacity allows temporary spikes. Rate limit headers in responses show remaining quota (X-RateLimit-Remaining). Exceeding limits returns 429 status with retry-after guidance. Generous limits support production applications; contact support for higher limits if needed.

Both. RESTful API provides standard HTTP endpoints for all operations (/v1/contacts, /v1/accounts, etc.). GraphQL endpoint at /graphql enables efficient queries requesting exactly needed data in single request. REST recommended for most scenarios due to simplicity; GraphQL beneficial for mobile apps, complex queries, or bandwidth-constrained environments. Choose based on use case preferences.

API returns standard HTTP status codes: 200 (success), 400 (bad request with validation details), 401 (unauthorized), 403 (forbidden), 404 (not found), 429 (rate limit exceeded), 500 (server error). Response body includes detailed error message and error code. Implement retry logic with exponential backoff for 429 and 5xx errors. Log errors for debugging. Comprehensive error handling documentation with examples in all SDKs.

All CRM data including contacts, accounts, opportunities, activities (emails, calls, meetings, tasks), custom objects, notes, documents, products, quotes, reports, users, teams, and settings. Field-level permissions control what specific API users access. Read, write, update, delete operations supported. Query and filter capabilities retrieve specific data subsets. Complete data access matching web interface capabilities.

Yes, API access to custom objects created in CRM with same operations as standard objects. Define custom objects through web interface or metadata API, then access via RESTful endpoints (/v1/custom-objects/your-object). Custom fields, relationships, and validation rules fully supported. Enables completely customized data models accessible through uniform API. Build domain-specific applications on CRM platform.

Yes, comprehensive webhook support. Subscribe to events (record.created, record.updated, record.deleted) via API or web interface. Specify target URL, authentication method, and event filters. CRM sends POST request to URL when events occur. Includes retry logic with exponential backoff. Webhook verification via signatures. Delivery logs for monitoring. Enables real-time event-driven architecture eliminating polling overhead.

Review documentation at docs.leadsup.com/api, generate API credentials in Settings, choose authentication method (OAuth 2.0 or API key), install SDK for your language or use HTTP directly, implement authentication flow, make test calls in sandbox, build integration using API endpoints, test thoroughly, deploy to production, and monitor via API dashboard. Typical integration development 1-4 weeks depending on complexity. Professional services available for assistance.

 Yes, full-featured mobile apps possible using native iOS (Swift) or Android (Kotlin/Java) SDKs, or cross-platform frameworks (React Native, Flutter) with JavaScript/Dart SDKs. API provides complete CRM functionality accessible from mobile including offline support via local storage and sync. Authentication via OAuth 2.0 with secure token storage. Optimize for mobile using GraphQL reducing data transfer. Example mobile apps in documentation.

Yes, bulk endpoints processing 100-10,000 records per request. Bulk create, update, and delete operations. Asynchronous processing for large batches with job status monitoring. Efficient for data migration, mass updates, and imports. Reduces API calls by 100x versus individual operations. Handles enterprise data volumes efficiently. Bulk API documentation includes best practices and limitations.

 Implement webhook subscriptions for event notifications triggering immediate sync. Combine with API calls retrieving complete record details. Bidirectional sync updating both systems. Conflict resolution logic handling concurrent changes. Connection monitoring and retry logic ensuring reliability. Real-time sync achieves millisecond-level latency. Architecture documentation covers patterns and best practices.

Yes, ideal for migrations. Bulk export API retrieving all data in batches. Incremental export fetching only changed records. Transform and map data to new structure. Bulk import API loading data efficiently. Validation and error reporting. Handles millions of records. Migration typically 1-3 days for standard datasets. Professional migration services available for complex scenarios.

Comprehensive reporting including sales pipeline analysis, production reports by agent/carrier/policy type, commission earnings and reconciliation, renewal tracking with lapse ratios, persistency rates, lead source ROI, conversion funnel analysis, cross-sell success rates, client retention metrics, agent activity tracking, and 60+ pre-built reports. Custom report builder creates ad-hoc reports. Real-time dashboards show current business performance. Predictive analytics forecast future production.

Official SDKs for JavaScript/Node.js, Python, PHP, Ruby, Java, C#/.NET, and Go. Mobile SDKs for iOS (Swift) and Android (Kotlin/Java). All SDKs on GitHub with MIT license. Handle authentication, serialization, error handling, retry logic, and rate limiting automatically. Reduce development time 50-70%. Kept updated with API changes. Installation via npm, pip, composer, gem, maven, nuget, or go get.

Via web interface: Settings > Webhooks > Create, specify event types, target URL, authentication. Programmatically: POST to /v1/webhooks with configuration. Test webhooks using webhook.site or similar testing services. Verify webhook signatures for security. Implement retry logic handling failures. Monitor delivery via webhook logs. Deactivate or delete unused webhooks. Comprehensive webhook documentation includes examples.

Complete documentation at docs.leadsup.com/api including getting started guide, authentication tutorials, endpoint reference with examples, SDK documentation, use case guides, code samples in multiple languages, troubleshooting, FAQ, video tutorials, and changelog. Interactive API explorer at api.leadsup.com/explorer. Postman collection at postman.leadsup.com. Developer forum at community.leadsup.com for questions. Updated continuously with API changes.

Yes, email support (support@leadsup.com) with 24-48 hour response, dedicated developer forum with community and staff support, live chat for quick questions, phone support for enterprise plans, and professional services for complex integrations. Comprehensive self-service documentation answers most questions. Priority support for paid plans. Enterprise plans include dedicated technical account manager and custom SLA.

Extensive code examples in documentation covering common scenarios in JavaScript, Python, PHP, Ruby, Java, C#, and Go. Example applications on GitHub demonstrating authentication, CRUD operations, bulk operations, webhooks, and integrations. Framework-specific examples for React, Angular, Vue, Django, Laravel, Spring, ASP.NET. Postman collection with pre-configured requests. Video tutorials walking through implementations.

Check API dashboard for error rates and patterns. Review detailed error messages in API responses. Verify authentication credentials. Check rate limits and quotas. Test in sandbox environment isolating production issues. Enable debug logging in SDKs. Use API explorer verifying endpoint availability. Consult troubleshooting guide in documentation. Contact support with request IDs and error details for assistance.

99.99% uptime SLA backed by service credits representing less than 1 hour monthly downtime. Geo-redundant infrastructure with automatic failover. Real-time status page at status.leadsup.com. Incident notifications via email and SMS. Historical uptime consistently exceeds 99.99%. Maintenance windows announced 7+ days advance with minimal impact. Mission-critical reliability for production applications.

Yes, enterprise plans include dedicated technical account manager providing architecture guidance, code review, troubleshooting assistance, and custom integration support. Professional services team available for implementation assistance, custom development, and complex integrations at hourly or project rates. Training programs for development teams. Onboarding assistance for new API users. Support tiers matched to business requirements and technical needs.