Changelog

Changelog

April 2026

Plan Switching (Tier Upgrades and Downgrades)

You can now change between Starter, Builder, and Scale mid-period via PATCH /v1/workspace/subscription. The API returns a proration breakdown showing the exact refund and charge for the remaining days in your billing period, plus a quota_after snapshot so you can see your new limits immediately. Unused quota from your old plan carries over. Plan changes are limited to once per 24 hours — a second request within the window returns 429 TIER_SWITCH_TOO_FREQUENT.

Balance Enforcement

When a workspace balance reaches zero, all billable operations (voice calls, SMS, WhatsApp) are automatically suspended. Calls return 402 WORKSPACE_BLOCKED. The block lifts automatically as soon as a top-up clears via Paystack webhook — no manual action needed.

Low Balance Email Alerts

Workspace owners now receive an email when their balance drops below the configured low-balance threshold. Alerts fire at most once per 24 hours per workspace.

Tool Calling Support

Agents can now invoke tools during voice calls. Built-in tools (hang_up, transfer_call, hold_call, resume_call) execute via the voice pipeline. Custom tools dispatch to your webhook URL. Configure via tool_definitions on the agent or the dashboard Config tab.

Agent Playground

Test your agent’s AI responses with text chat via POST /v1/agents/{id}/playground before making live calls.

Number Reclaim

Released numbers can now be reclaimed within the 30-day quarantine window via POST /v1/numbers/{id}/reclaim.

Live Call Transcript

The dashboard Test Call tab now shows real-time transcription for both caller speech and agent AI responses via WebSocket streaming.

Call History

Outbound calls are now persisted to the database and visible on the dashboard Calls page.

Custom Greeting

Agents can configure a custom greeting message that plays via TTS when a call connects, replacing the default “Hello, welcome to Voicebip.”

Webhook Signing Secret Rotation

Workspaces can rotate their signing secret with a 24-hour grace period. During rotation, deliveries carry both X-Voicebip-Signature and X-Voicebip-Signature-Previous headers.

v0.1.0.0 — Platform Repositioning (April 10, 2026)

Major release that repositions Voicebip from API-only to a full-stack developer experience.

New Features

  • Agent Templates — Pre-built configurations for Loan Recovery, Customer Support, Appointment Booking, and Payment Reminders. Create a working agent in 30 seconds via GET /v1/templates and POST /v1/agents with template_id.
  • Browser-Based Test Calls — Call your AI agent directly from the dashboard using WebRTC. No phone needed. Real-time audio visualization and live transcript streaming.
  • Shareable Links — Generate public “try my agent” URLs. Anyone can test-call from a browser without signing up. Rate-limited (10 concurrent, 50/day per agent). Enable via PATCH /v1/agents/{id}/shareable.
  • Conversation Analytics — Resolution rate, average call duration, calls per day, MOS score, and sentiment trend via GET /v1/analytics?days=7|30|90.
  • Multi-Agent Routing — Route inbound calls on one number to different agents based on keywords, regex, or default rules. Full CRUD via /v1/routing-rules.
  • Voice Quality MOS Scoring — E-model MOS estimation per call from RTP statistics (jitter, packet loss, RTT).
  • Recording Playback — Listen to past calls via GET /v1/calls/{id}/recording with range-request support. 30-day retention.
  • Conversation Export — Download transcripts as CSV or JSON via GET /v1/agents/{id}/conversations/export?format=csv|json.
  • Agent Greeting Customization — Custom greeting_text field for the first TTS utterance when a call connects.
  • X-Voicebip-Duration Header — Every API response now includes request processing time.

Changes

  • Recording storage moved to persistent volumes for improved durability.
  • AI circuit breaker updated for improved per-workspace isolation.
  • TTS audio files cleaned up automatically (WAV files older than 5 minutes deleted every 60 seconds).

API Changes

New endpoints: GET /v1/templates, GET /v1/calls/{id}/recording, GET /v1/agents/{id}/conversations/export, GET /v1/analytics, POST/GET/PUT/DELETE /v1/routing-rules, PATCH /v1/agents/{id}/shareable, POST /v1/public/try/{agent_id}/offer.

Updated schemas: Agent (added greeting_text, shareable), Call (added quality_mos, resolution, classified_at, recording_url), CreateAgentRequest (added template_id, greeting_text, shareable).

What’s Coming

WhatsApp direct Meta Cloud API integration (zero developer-facing changes on migration). Python SDK for server-side integrations. Pan-Africa expansion beyond Nigeria.