Tutorials

Six builds you can ship.

Each tutorial is a complete walkthrough with prereqs, step-by-step instructions, runnable code, and a reference repo. Pick by what you're building, not by what's flashiest.

01$87 $2.50

Cross-border payment widget

Drop-in React component. User picks recipient + amount in their currency, widget quotes + executes the cheapest source asset. Replaces $80+ SWIFT wires with $2 swaps.

React · sera.pay_invoice25 min

02read-only

FX trading dashboard

Live FX dashboard reading Sera's reference rates + multi-source mid + executable depth. Spot deviations across 60+ stablecoin FX pairs. No wallet required.

Next.js · find_deals30 min

03on-chain

Prediction market on FX

Binary markets like "USD/JPY > 158 by Friday" using Sera's reference rate as the settlement oracle. Payouts route through Sera FX so winners get paid in any currency.

Solidity · get_fx_rate60 min

04cron

Treasury rebalancer

Cron job that reads multi-currency wallet balances, computes drift, emits Sera swap intents. Runs daily, signs nothing.

Node · rebalance_plan20 min

05$0.001/call

x402-paid API

Charge AI agents per call in USDC over plain HTTP. Standard 402 → pay → 200. No paywall pages, no Stripe.

Express · x40225 min

0615 min

AI agent (any host)

The classic — an MCP-powered agent with the full 32-tool surface. Use the bundled Sera Agent or wire the MCP into Claude Code, Cursor, Hermes, OpenClaw.

MCP · Claude / GPT15 min

Don't see your use case?

These six are the most common — but Sera is general infrastructure. If you've shipped a non-obvious build (an FX-aware AMM router, a stablecoin payroll service, an OTC desk, a DeFi structured product), open an issue and we'll write it up.