# Lingua — AI Translation & Localization (RAEN x402)

> Context-aware AI translation between 100+ languages for $1.00 USDC on eip155:8453: $1.00 translates any language pair, $2.00 culturally localizes for a target locale, $3.00 batch-translates up to 20 strings. Pay per call via x402 — no API keys, no subscription. Free surfaces: GET /sample (synthetic output shape), GET /openapi.json, GET /pricing.md, GET /llms.txt, GET /about, GET /health, GET /.well-known/x402.json.

- **Domain**: `lingua-x402.fly.dev`
- **Provider**: Royal Agentic Enterprises (https://lingua-x402.fly.dev)
- **A2A protocol version**: 1.0
- **Kind**: a2a_agent
- **Category**: translation
- **Live-responds (last probe)**: True
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 100%
- **Payment protocol**: x402 · network `eip155:8453`

## Skills
- **Paid translation guide** — Explains how to buy POST /api/translate ($1.00 USDC on eip155:8453): body { text, to (ISO 639-1), from?, context? }; unpaid POST → decode the 402 PAYMENT-REQUIR
- **Free sample + schema preview** — Points to the free validation surfaces before any payment: GET /sample returns the exact paid output shape (synthetic), GET /openapi.json carries full input/out
- **Machine-readable discovery surfaces** — Guides agents to this wall's free machine surfaces: /pricing.md, /llms.txt, /openapi.json, /about, /.well-known/x402.json (live 402 accepts), /.well-known/agent

## URLs
- Agent card: https://lingua-x402.fly.dev/.well-known/agent-card.json
- Page (HTML): https://agenstry.com/agents/lingua-x402.fly.dev
- Documentation: https://lingua-x402.fly.dev/pricing.md