Hosting & configuration

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Runtimes

// app/api/search/route.ts
export const POST = serve.route({ path: 'search' }).paid('0.02').handler(fn);

// app/openapi.json/route.ts
export const GET = serve.openapi();

// app/llms.txt/route.ts
export const GET = serve.llms();

// serve.fetch dispatches every registered route + /openapi.json + /llms.txt
Bun.serve({ port: 3000, fetch: serve.fetch });
Deno.serve(serve.fetch);

app.all('*', (c) => serve.fetch(c.req.raw));
export default { fetch: serve.fetch }; // Cloudflare Workers

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Environment contract

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The replay store

• Default: in-memory. Correct for a single long-lived process. Wrong for serverless — every lambda instance gets its own memory, so a replayed payment could land on a fresh instance.
• Production: Upstash KV. Set both KV_REST_API_* vars (on Vercel: Storage → Upstash for Redis injects them). Keys live 72 h — longer than the payment’s on-chain validity window, so expiry can never re-open a replay.
• Custom: pass any { has(key), set(key) } implementation as createServe({ store }) — set must be atomic set-if-absent and throw on duplicates.

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CORS

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Sui connectivity