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three.ws Billboard Slot Purchase
x402
three.ws Billboard Slot Purchase is a paid API for AI agents from three.ws, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-23).
Books a paid advertising slot on a 3D coin-world billboard by supplying an image URL and/or caption, returning the slot start/end times and booking confirmation.
Price / call$0.05
Success—
StatusUnknown
How this service works
Make a 3D AI agent from a selfie in 60 seconds. Drop one HTML tag to embed it on any website. Agents think on IBM watsonx.ai (Granite); optionally charge per chat with built-in micropayments.
Output
A JSON object confirming the booking with: ok (true), the coin mint address, the payer's wallet, the payment asset and amount in atomics, the network (e.g. solana), the slot start and end timestamps in ISO 8601, and the slot duration in hours (1–24).
Example use cases
NFT project launch promotion
“Put my project's launch banner at https://myproject.com/launch.png on the three.ws billboard for coin world FeMbDoX7R1Psc4GEcvJdsbNbZA3bfztcyDCatJVJpump with the caption 'Mint is live — grab yours now'.”
Community announcement in coin world
“Post an announcement on the three.ws billboard for coin world 9xTkMnRp2QsLzYbKfJwCvGhNpAeBdXoUiSyWqZmVcPr with the caption 'Community vote starts today — check Discord' and no image.”
Brand awareness with image-only ad
“Display my logo image https://mybrand.io/logo-billboard.png on the three.ws coin world billboard for Hk3mPqRzXnBcLwYvAeSdJoUiTyGfNpKbMqZxCvWdEs without any caption.”
Technical details
Endpoint
GEThttps://three.ws/api/x402/billboard?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically purchase and display an advertisement on a three.ws 3D coin-world billboard using micropayments. It is ideal for crypto-native promotion, NFT launches, or community announcements where the target audience inhabits Solana-based virtual worlds and payment is handled via x402/USDC.
Side effects
- Invalid or non-base58 coin mint address returns a validation error
- Neither image nor caption provided — at least one is required
- Caption exceeds 80 characters — truncation or rejection
- Image URL is unreachable or not a valid http/https URI
- Payment of $0.05 USDC not fulfilled — 402 payment required response
- Coin world does not exist or billboard slot unavailable
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"coin": "FeMbDoX7R1Psc4GEcvJdsbNbZA3bfztcyDCatJVJpump",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"image": "https://three.ws/og-image.png",
"payer": "wwwPqsM4N7T9J69tB82nLyzxqsH159j4orftLTQfUGV",
"endsAt": "2026-06-29T00:42:09.000Z",
"caption": "gm from the gallery",
"network": "solana",
"startsAt": "2026-06-28T18:42:09.000Z",
"slotHours": 6,
"amountAtomics": "50000"
}
}Tags
x402
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