Production-ready · 99.9% uptime

Wholesale Voice & Messaging Platform

Carrier-grade voice routing, CLI rotation, real-time billing, and a developer-friendly API. Built for CPaaS providers and wholesale telecom operators.

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99.9%

Platform uptime

< 50ms

Call setup latency

Real-time

Billing on every call

24/7

Fraud detection & alerts

Everything you need to scale

From inbound routing to CLI rotation and real-time billing — all in one platform.

Voice Routing

Prefix-based routing with priority and weight trunk failover. Supports wholesale origination and termination.

CLI Rotation

Automatic DID assignment per destination with sticky mapping. SIM-box compliant with daily usage limits.

Real-time Billing

Every call rated and debited instantly. Buy/sell margins calculated on the fly. Per-second billing increments.

Quality Monitoring

ASR, ACD, PDD analytics. Hangup cause breakdowns. Supplier performance comparison.

Fraud Detection

Passive SIM box and bypass fraud detection. Alert engine with threshold monitoring.

Developer API

REST API with cursor pagination, HMAC-signed webhooks, and OpenAPI specification. Ready for integration.

Programmable Voice API

Integrate voice and messaging into your platform with a clean REST API. API keys with granular scopes, cursor pagination, and RFC 7807 error handling.

Bearer token authentication with SHA-256 hashed keys
Webhooks with HMAC signature verification
OpenAPI 3.1 specification for client generation
Rate limiting with standard headers

# List recent calls

curl https://api.zpbx.es/v1/calls \

-H "Authorization: Bearer zpbx_..."

# Response

{ "calls": [{ "from": "234813...", "to": "234801...", "duration": 42, "price": 0.035 }], "meta": { "hasMore": true } }

Ready to get started?

Explore the API documentation or contact us to set up your account.

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