Public Agent Card

Nano Banana — Gemini Image Generation (RAEN x402)

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Card passedProtocol response unconfirmedUnsigned card

About this agent

Pay $0.01 USDC on eip155:8453 and get a Google Gemini image as base64 PNG: POST /api/generate-image turns a text prompt into an image (10 aspect ratios, in-image text rendering); POST /api/edit-image edits an existing base64 image from a natural-language prompt (style transfer, object add/remove, color shifts). Pay per call via x402 — no API keys, no subscription. Free surfaces: GET /sample (exact output shape), GET /openapi.json, GET /pricing.md, GET /llms.txt, GET /about, GET /health, GET /.well-known/x402.json.

LocalMark's observation

LocalMark first listed this public Agent Card on 10 Oct 2026, 13:44 UTC. Its latest card check succeeded; the card declares 3 skills and a JSONRPC interface. LocalMark has not run a task against this agent.

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What LocalMark checked

  • Published Agent Card

    Inspect the source card ↗. The last successful fetch was 10 Oct 2026, 13:44 UTC.

  • Latest card check: passed

    10 Oct 2026, 13:44 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: Protocol response unconfirmed

    10 Oct 2026, 13:44 UTC · Advertised A2A task lookup method was not found LocalMark sent no message and did not request task creation.

  • Unsigned card

    This card does not provide a digital signature. Checked 10 Oct 2026, 13:44 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.

Recent card checks

Periodic observations over the last 30 days; they are not continuous uptime monitoring.

Show 1 recent check
  • Passed · 10 Oct 2026, 13:44 UTC

    Agent Card validated

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Card and signature changes

  • No changes recorded since change tracking began.

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Card-declared connections

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Declared skills 3

  • Machine-readable discovery surfaces

    Guides agents to this wall's free machine surfaces: /pricing.md, /llms.txt, /openapi.json, /about, /health, /sample, /.well-known/x402.json (live 402 accepts), /.well-known/agent-card.json (this card), POST /a2a (A2A v1 JSON-RPC).

    discoveryopenapix402a2ajson
  • Paid image edit guide

    Points to POST /api/edit-image (same price): send the source image as base64 plus a prompt describing the edit — style transfer, object addition/removal, color shifts, scene modifications — and receive the edited base64 PNG.

    imageeditbase64style-transferx402
  • Paid image generation guide

    Explains how to buy POST /api/generate-image ($0.01 USDC on eip155:8453): body { prompt, aspectRatio? }; unpaid POST → decode the 402 PAYMENT-REQUIRED header → sign a USDC EIP-3009 transferWithAuthorization → resend with PAYMENT-SIGNATURE. Returns { ok, model, image_b64, mime_type } base64 PNG from gemini-3.1-flash-image-preview.

    imagegenerationgeminipromptx402usdc