Changelog

Product updates and improvements.

A record of all notable changes to the Valta platform. Each release includes new features, improvements, and bug fixes. For detailed API migration guides, see the documentation.

v0.4.0February 20, 2026

Webhook System Launch

  • •Introduced webhook delivery system with support for 5 event types: payment.deducted, balance.low, subscription.expired, deposit.confirmed, and usage.threshold.
  • •Added HMAC-SHA256 signature verification on all webhook payloads for secure endpoint validation.
  • •Implemented automatic retry with exponential backoff (up to 5 attempts over 12 hours).
  • •Webhook management UI in dashboard: create endpoints, view delivery logs, and replay failed events.
  • •Added X-Valta-Signature and X-Valta-Event-Id headers to all webhook requests.
v0.3.0January 15, 2026

API Key Management & Granular Scopes

  • •New API key management system with support for multiple keys per account.
  • •Granular permission scopes: wallets:read, wallets:write, usage:deduct, transactions:read, webhooks:manage.
  • •Key rotation without downtime — old keys remain valid for a configurable grace period.
  • •Added rate limiting per API key with configurable thresholds (default: 1,000 req/min).
  • •API key activity dashboard showing request counts, error rates, and last-used timestamps.
v0.2.0December 8, 2025

Subscription Engine & Pro Tier

  • •Launched subscription billing engine with support for monthly and annual billing cycles.
  • •Introduced Pro tier ($29/month) with higher rate limits, priority support, and advanced analytics.
  • •Added Stripe integration for credit card payments alongside existing crypto deposit support.
  • •Subscription lifecycle management: upgrades, downgrades, cancellations, and prorated refunds.
  • •Usage-based overage billing for accounts exceeding their plan limits.
v0.1.1November 22, 2025

Stability & Performance Improvements

  • •Reduced average API response time from 180ms to 95ms through query optimization.
  • •Fixed a race condition in concurrent wallet deductions that could cause double-spending.
  • •Added request ID tracking (X-Request-Id header) across all API responses for debugging.
  • •Improved error messages with structured error codes and human-readable descriptions.
  • •Dashboard loading time reduced by 40% with server-side rendering optimizations.
v0.1.0November 1, 2025

Initial Launch

  • •Core wallet system: create, fund, and manage USDC wallets via REST API.
  • •Usage metering engine for tracking and deducting AI inference costs in real-time.
  • •Dashboard with wallet overview, transaction history, and basic analytics.
  • •Email/password authentication with session management via Better Auth.
  • •TypeScript SDK (@valta/sdk) published to npm with full type definitions.
  • •API documentation with interactive examples and OpenAPI specification.