Comprehensive guides and technical references for Ellbox's APIs, SDKs, and integration tools.
Start LearningAll API requests must be authenticated with a Bearer token. Generate API keys in your dashboard under Developer Settings.
# Example Request
GET https://api.ellbox.com/v1/numbers
Authorization: Bearer YOUR_API_KEY
Accept: application/json
Buy, assign, and configure phone numbers across 90+ countries with simple API calls.
Send and receive SMS, MMS, and voice messages with carrier-grade reliability.
Official Python SDK with full API coverage and async support
Type-safe Java client for enterprise integration
High-performance bindings for Rust developers
Raw REST endpoints with curl examples
Ensure you're using the correct API key from your dashboard. Check expiration dates.
View Authentication DocsUpgrade your plan or implement exponential backoff in your API requests.
Upgrade PlanVisit our API changelog, join our developers forum, or request assistance through support.