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RelAI Team

RelAI Team

22 posts

Learn x402 fundamentals
Two Ways to Pay: Payment Requests and Payment Codes on SKALE

Two Ways to Pay: Payment Requests and Payment Codes on SKALE

RelAI introduces two payment code models on SKALE. Payment Requests: merchant creates a code, buyer pays. Payment Codes: buyer pre-signs a code, merchant redeems. Both use EIP-3009, both settle with zero gas.

Mar 20, 2026 · 1 min read
Dual-Channel Payments: One SDK, Two Protocols - x402 and MPP Side by Side

Dual-Channel Payments: One SDK, Two Protocols - x402 and MPP Side by Side

The @relai-fi/x402 SDK now supports Dual-Channel payments — x402 and MPP (Machine Payment Protocol) running through the same middleware. One protect() call, two payment rails, and every plugin works identically across both.

Mar 19, 2026 · 1 min read
ERC-8004 Reputation Plugins: On-Chain Trust for Every x402 API

ERC-8004 Reputation Plugins: On-Chain Trust for Every x402 API

The @relai-fi/x402 SDK now has four ERC-8004 plugins: score(), feedback(), solanaFeedback(), and submitRelayFeedback(). Build verifiable on-chain reputation for your API in minutes.

Mar 18, 2026 · 1 min read
Your AI Agent Now Has Its Own Wallet

Your AI Agent Now Has Its Own Wallet

RelAI now supports Crossmint Server Wallets — persistent, backend-controlled wallets that let AI agents pay for services autonomously, without any user session or private key management.

Mar 17, 2026 · 1 min read
Stop paying for broken x402 endpoints - four plugins that fix the problem

Stop paying for broken x402 endpoints - four plugins that fix the problem

x402 micropayments are instant and irreversible. If the endpoint is down, your money is gone. We built four SDK plugins that make sure buyers never pay for a broken service.

Mar 17, 2026 · 1 min read
SDK Plugins: Give Buyers Free API Calls Before Payment Kicks In

SDK Plugins: Give Buyers Free API Calls Before Payment Kicks In

The @relai-fi/x402 SDK now supports plugins. The built-in Free Tier plugin lets you offer free API calls per buyer before x402 payment kicks in — three lines of code, zero infrastructure.

Mar 16, 2026 · 1 min read
Agents Can Now Bridge Tokens Across Chains. Programmatically.

Agents Can Now Bridge Tokens Across Chains. Programmatically.

The RelAI Management API now exposes bridge endpoints. AI agents can quote, check balances, and execute cross-chain USDC transfers between Solana and SKALE Base — programmatically, using x402 payments. No UI. No human in the loop.

Mar 10, 2026 · 1 min read
RelAI Integration with OnFinality: AI Agent Coordination for Web3 Infrastructure

RelAI Integration with OnFinality: AI Agent Coordination for Web3 Infrastructure

OnFinality integrates RelAI to offer Ethereum RPC via x402 with on-chain, pay-per-request settlement — no signup, no API keys, no monthly plans.

Feb 24, 2026 · 1 min read
WebSocket in x402 Relay: What Problems We Solve by Introducing WS

WebSocket in x402 Relay: What Problems We Solve by Introducing WS

Why we introduced WebSocket transport in x402 Relay, which bottlenecks it removes, and how HTTP fallback keeps paid API calls reliable.

Feb 23, 2026 · 1 min read