Release Summary
🚀 Latest Features - Q2 2026
Release Date: April 2026
💸 x402 Payment Protocol Integration
HTTP-native machine-to-machine payments via Arkhia
Arkhia now acts as an authenticated proxy for the x402 Payment Protocol — enabling USDC-based TransferWithAuthorization payments over HTTP on Sepolia and Ethereum mainnet. Every request is tracked per project with full credit billing and rate limiting.
Key Highlights:
- Authenticated Proxy: All x402 requests flow through Arkhia's API key gateway
- Supported Endpoints:
/supported,/health,/settle,/facilitate - ERC-3009 Signatures: Standard USDC
TransferWithAuthorizationon EVM chains - Testnet & Mainnet: Sepolia testnet and Ethereum mainnet support
- Dashboard Visibility: x402 mainnet and testnet endpoint URLs shown in Project Details
- Credit Tracking: x402 requests billed as
X402API type in the credit system
URL Format:
https://starter.arkhia.io/x402/{network}/{api-key}/{endpoint}
💳 Credit Unit System — Now Live
The Credit Unit System is now available to all Arkhia users. Credits replace the legacy request-count quota and unify usage tracking across every protocol on the platform.
What's included:
- All protocols covered: REST, JSON-RPC, GraphQL, Midnight ZK-PaaS, Midnight RPC, x402
- Real-time dashboard: Monitor credit usage per project in the Analytics section
- Same pricing: Subscription costs unchanged — credit allocations match previous request limits
📈 Previous Releases
Q1 2026 — Midnight Network Integration
Release Date: March 2026
🌙 Midnight ZK-PaaS & RPC
Zero-knowledge proof infrastructure and JSON-RPC node access for the Midnight network.
⚡ ZK Prove Batch
Submit up to 20 ZK proofs per request via /prove-batch for high-throughput pipelines.
💸 Sponsored Wallet
Automatic DUST token gas fee management — users no longer need to hold DUST tokens.
Q3 2025 — Arkhia Wallet & GCP Integration
Release Date: September 2025
💰 Arkhia Wallet
Blockchain payments for Google Cloud Platform services using USDC (Ethereum).
Features:
- Pay-as-you-go, no upfront commitments
- Real-time BigQuery cost preview
- Immutable transaction records
📈 Earlier Releases
Q1 2024 - Enterprise Features
Release Date: February 27, 2024
🔔 Events API & UI
Real-time event subscription for premium users with two-layer authentication security.
Features:
- Real-time event subscription
- Enhanced security measures
- Critical change notifications

📊 Subgraph Infrastructure
Enterprise-grade subgraph APIs with selective data indexing capabilities.
Features:
- Enterprise-grade infrastructure
- Selective data indexing
- Scalable API solutions

📈 Advanced Analytics
Enhanced analytics capabilities with detailed account call data and augmented data provisioning.
Features:
- Detailed account call data
- Augmented data provisioning
- Comprehensive usage insights

Q3 2023 - Security & Usability
Release Date: October 4, 2023
🔐 2-Layer Authentication
Additional security layer with encrypted payload protection for production applications.

🔑 API Key in Path
Improved user experience with seamless third-party application integration.
curl --location 'https://starter.arkhia.io/hedera/mainnet/<API-KEY>/api/v1/accounts?order=desc'
🦊 MetaMask Integration
Quick integration link with MetaMask leveraging JSON-RPC relay for efficient Hedera protocol interaction.

📊 Status API
Real-time system status polling for paid clients with maintenance and outage notifications.
💬 Feedback System
Dedicated feedback form for user suggestions, issue reporting, and experience sharing.

