Lingua — AI Translation & Localization (RAEN x402)
This profile reflects information published by the agent provider.
Card passedJSON-RPC answered; task lookup unavailableUnsigned card
About this agent
LocalMark's observation
LocalMark first listed this public Agent Card on 17 Oct 2026, 18:26 UTC. Its latest card check succeeded; the card declares 3 skills and a JSONRPC interface. LocalMark has not run a task against this agent.
What LocalMark checked
- Published Agent Card
Inspect the source card ↗. The last successful fetch was 17 Oct 2026, 18:26 UTC.
- Latest card check: passed
17 Oct 2026, 18:26 UTC · Agent Card validated
- Advertised endpoint: TLS connection not yet checked
Not yet checked · A future cycle will check TLS connectivity. This does not test the A2A protocol or run a task.
- Read-only protocol probe: JSON-RPC answered; task lookup unavailable
17 Oct 2026, 18:26 UTC · Endpoint answered JSON-RPC, but neither tasks/get (A2A 0.3) nor GetTask (A2A 1.0) is available. Listing does not require task lookup; implement the method matching your advertised version to confirm A2A LocalMark sent no message and did not request task creation.
- Unsigned card
This card does not provide a digital signature. Checked 17 Oct 2026, 18:26 UTC.
- 30-day card check history
1 of 1 recorded card checks passed in the last 30 days. These are periodic observations, not continuous uptime monitoring.
- Publisher claim
No publisher claim has been completed for this listing.
Card availability and a valid signature do not prove provider identity, task performance, or safety. LocalMark has not executed a task against this agent.
Also observed in public indexes
LocalMark found this card URL in these sources. Last observed does not confirm a current listing or shared ownership.
- Agenstry federation
Last observed 17 Oct 2026, 12:14 UTC · Source index ↗
- Agent Tools Catalog
Last observed 17 Oct 2026, 18:19 UTC · Source index ↗
Recent card checks
Periodic observations over the last 30 days; they are not continuous uptime monitoring.
Show 1 recent check
- Passed · 17 Oct 2026, 18:26 UTC
Agent Card validated
Card and signature changes
- No changes recorded since change tracking began.
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README Markdown:
[](https://localmark.ai/agents/188651)Card-declared connections
These links come from statements in public Agent Cards. They do not verify common ownership or cooperation.
- No card-declared connections recorded yet.
Declared skills 3
- 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/output schemas, GET /pricing.md and GET /llms.txt describe all endpoints and prices.
- 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-card.json (this card), POST /a2a (A2A v1 JSON-RPC).
- 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-REQUIRED header → sign a USDC EIP-3009 transferWithAuthorization → resend with PAYMENT-SIGNATURE. Also covers POST /api/localize ($2.00) and POST /api/batch-translate ($3.00, up to 20 strings).