# Close Sales CRM for SMBs with built-in calling, email, and pipeline management designed for high-velocity sales teams. ## Capabilities | Integration | Available | Notes | |-------------|-----------|-------| | API | ✓ | Leads, Contacts, Opportunities, Activities, Tasks | | MCP | - | Not available | | CLI | ✓ | [close.js](../clis/close.js) | | SDK | - | REST API only | ## Authentication - **Type**: Basic Auth - **Header**: `Authorization: Basic {base64(api_key + ':')}` - **Get key**: Settings > API Keys at https://app.close.com ## Common Agent Operations ### List Leads ```bash GET https://api.close.com/api/v1/lead/ Authorization: Basic {base64(api_key + ':')} ``` ### Search Leads ```bash GET https://api.close.com/api/v1/lead/?query=company_name Authorization: Basic {base64(api_key + ':')} ``` ### Create Lead ```bash POST https://api.close.com/api/v1/lead/ { "name": "Acme Corp", "url": "https://acme.com", "description": "Enterprise prospect" } ``` ### Get Contact ```bash GET https://api.close.com/api/v1/contact/{contact_id}/ Authorization: Basic {base64(api_key + ':')} ``` ### Create Contact ```bash POST https://api.close.com/api/v1/contact/ { "lead_id": "lead_xxx", "name": "Jane Smith", "emails": [{ "email": "jane@acme.com", "type": "office" }], "phones": [{ "phone": "+15551234567", "type": "office" }] } ``` ### Create Opportunity ```bash POST https://api.close.com/api/v1/opportunity/ { "lead_id": "lead_xxx", "value": 50000, "status_type": "active" } ``` ### List Activities ```bash GET https://api.close.com/api/v1/activity/?lead_id=lead_xxx Authorization: Basic {base64(api_key + ':')} ``` ### Create Task ```bash POST https://api.close.com/api/v1/task/ { "lead_id": "lead_xxx", "text": "Follow up on demo request", "_type": "lead", "date": "2026-03-10" } ``` ## Key Metrics ### Lead Data - `id` - Lead ID - `display_name` - Lead name - `url` - Website URL - `description` - Lead description - `status_id` - Pipeline status - `contacts` - Associated contacts - `opportunities` - Associated opportunities - `tasks` - Associated tasks ### Contact Data - `id` - Contact ID - `lead_id` - Parent lead - `name` - Full name - `title` - Job title - `emails` - Email addresses array - `phones` - Phone numbers array ### Opportunity Data - `id` - Opportunity ID - `lead_id` - Parent lead - `value` - Value in cents - `status_type` - active, won, or lost - `confidence` - Win probability (0-100) - `date_won` - Close date ### Task Data - `id` - Task ID - `lead_id` - Parent lead - `text` - Task description - `assigned_to` - Assigned user ID - `date` - Due date - `is_complete` - Completion status ## Parameters ### Leads - `query` - Search query string - `_skip` - Number of results to skip (pagination) - `_limit` - Max results to return (default: 100) - `_fields` - Comma-separated fields to return ### Contacts - `lead_id` - Filter by parent lead - `_skip` - Pagination offset - `_limit` - Max results ### Opportunities - `lead_id` - Filter by parent lead - `status` - Filter by status type (active, won, lost) - `_skip` - Pagination offset - `_limit` - Max results ### Activities - `lead_id` - Filter by lead - `_type__type` - Filter by type (Email, Call, Note, SMS, Meeting) - `date_created__gt` - After date - `date_created__lt` - Before date ### Tasks - `assigned_to` - Filter by user ID - `is_complete` - Filter by completion (true/false) - `lead_id` - Filter by lead - `_type` - Task type (lead) ## When to Use - Managing SMB sales pipelines with high-touch outreach - Tracking sales activities (calls, emails, meetings) per lead - Creating and managing tasks for sales follow-ups - Opportunity tracking and revenue forecasting - Building automated outreach workflows - Sales team performance reporting ## Rate Limits - Rate limits based on organization plan - Standard: ~100 requests/minute - Responses include `X-Rate-Limit-Limit` and `X-Rate-Limit-Remaining` headers - 429 responses include `Retry-After` header ## Relevant Skills - revops - sales-enablement - cold-email