saylorinnovations.com
No description published for this endpoint.
The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.
Live 402 challenge
Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.
{
"error": "Payment required to access this resource.",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"memo": "saylor:datadesk:openverse-media",
"name": "USD Coin",
"note": "Base settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2",
"facilitatorOnly": true,
"assetTransferMethod": "eip3009"
},
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 120
},
{
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"memo": "saylor:datadesk:openverse-media",
"name": "USD Coin",
"note": "Polygon settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2",
"facilitatorOnly": true,
"assetTransferMethod": "eip3009"
},
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"amount": "10000",
"scheme": "exact",
"network": "eip155:137",
"maxTimeoutSeconds": 120
},
{
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"memo": "saylor:datadesk:openverse-media",
"name": "USD Coin",
"note": "Arbitrum settles through an x402 facilitator. Send payload.signature and payload.authorization (EIP-3009); there is no self-submitted path on this network.",
"version": "2",
"facilitatorOnly": true,
"assetTransferMethod": "eip3009"
},
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"amount": "10000",
"scheme": "exact",
"network": "eip155:42161",
"maxTimeoutSeconds": 120
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"memo": "saylor:datadesk:openverse-media",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpvcGVudmVyc2UtbWVkaWEiLCJyZWZlcmVuY2UiOiIydTFqWXFpc1Bhc0xqQkFmMk1BRkNuYno4b2R0QW0zZlFITkZ5WUVtY2Q4WiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyMzY1NDUwNTQxfQ.1EeJNrnHDzVF0mQvPdxAm0mQdUnYJ1Fq3CS4VKHduFo",
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"reference": "2u1jYqisPasLjBAf2MAFCnbz8odtAm3fQHNFyYEmcd8Z"
},
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"amount": "10000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 120
},
{
"asset": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"extra": {
"memo": "saylor:datadesk:openverse-media",
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpvcGVudmVyc2UtbWVkaWEiLCJyZWZlcmVuY2UiOiJFbTV1Wjc5UVp1cjFHUjNRWVRqUWFzOHM2b1M0cU1kdW1lSmNpdjdrUDJUcyIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6IkVzOXZNRnJ6YUNFUm1KZnJGNEgyRllENEtDb05rWTExTWNDZThCZW53TllCIiwibWluQW1vdW50IjoxMDAwMCwiZXhwIjoxNzkyMzY1NDUwNTQxfQ.mhj4HfutA5Aq65WXAtjRBm41oN353i_Lxjguxk6-3CM",
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"reference": "Em5uZ79QZur1GR3QYTjQas8s6oS4qMdumeJciv7kP2Ts"
},
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"amount": "10000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 120
},
{
"asset": "So11111111111111111111111111111111111111112",
"extra": {
"memo": "saylor:datadesk:openverse-media",
"note": "Native SOL: send lamports with a system transfer, not an SPL transfer. Price is quoted live and this quote expires in 120s.",
"native": true,
"session": "eyJhcnRpY2xlSWQiOiJkYXRhZGVzazpvcGVudmVyc2UtbWVkaWEiLCJyZWZlcmVuY2UiOiI4dnZGZWExM25xTGt2UGJkeWFndzY3S0RwOHFadnFvd1N2OHREWlBKVmdreiIsInJlY2lwaWVudCI6IjdMU2pmckpmOGZOc0I4VkE5dTdOM1dFbjI1c21RTHBvYjNTdnlVdlhhY3k3IiwibWludCI6bnVsbCwibWluQW1vdW50Ijo5MzUyMCwiZXhwIjoxNzkyMzY1NDUwNTQxfQ.GoI9BTQsIeYqm427iXgX4Qz8mPIRW3e-_6eISM6-zMk",
"reference": "8vvFea13nqLkvPbdyagw67KDp8qZvqowSv8tDZPJVgkz",
"solUsdPrice": 103.72,
"quotedLamports": "96413"
},
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"amount": "93520",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 120
}
],
"resource": {
"url": "https://saylorinnovations.com/api/media/openverse?q=mountain&kind=images",
"tags": [
"creative commons images",
"free to reuse photo search",
"cc0 audio search",
"image with attribution text",
"openverse search"
],
"iconUrl": "https://saylorinnovations.com/og-image.jpg",
"mimeType": "application/json",
"description": "Search Creative Commons images and audio from Openverse - licence and licence URL, creator, ready-to-use attribution text, provider, dimensions and file URL",
"serviceName": "Saylor Innovations Data Desk"
},
"extensions": {
"tags": [
"creative commons images",
"free to reuse photo search",
"cc0 audio search",
"image with attribution text",
"openverse search",
"royalty free media with license"
],
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"q": "mountain",
"kind": "images"
}
},
"output": {
"type": "json",
"example": {
"kind": "images",
"note": "Always give the listed attribution; reuse terms are set by each license.",
"query": "mountain",
"source": "Openverse (WordPress Foundation)",
"results": [
{
"tags": [
"iceland",
"landscape",
"mountain"
],
"title": "Mountains",
"width": 1024,
"height": 680,
"creator": "Kamil Porembiński",
"license": "BY-SA 2.0",
"file_url": "https://live.staticflickr.com/7539/16129656628_ddd1db38c2_b.jpg",
"provider": "flickr",
"attribution": "\"Mountains\" by Kamil Porembiński is licensed under CC BY-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/2.0/.",
"duration_ms": null,
"license_url": "https://creativecommons.org/licenses/by-sa/2.0/",
"landing_page": "https://www.flickr.com/photos/22178197@N00/16129656628"
},
{
"tags": [
"mountain"
],
"title": "mountain",
"width": 1024,
"height": 681,
"creator": "barnyz",
"license": "BY-NC-ND 2.0",
"file_url": "https://live.staticflickr.com/3742/13799251124_1924e3681f_b.jpg",
"provider": "flickr",
"attribution": "\"mountain\" by barnyz is licensed under CC BY-NC-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-nd/2.0/.",
"duration_ms": null,
"license_url": "https://creativecommons.org/licenses/by-nc-nd/2.0/",
"landing_page": "https://www.flickr.com/photos/75487768@N04/13799251124"
},
{
"tags": [
"mountain"
],
"title": "mountain",
"width": 1024,
"height": 681,
"creator": "barnyz",
"license": "BY-NC-ND 2.0",
"file_url": "https://live.staticflickr.com/7010/6804734507_bf07478eff_b.jpg",
"provider": "flickr",
"attribution": "\"mountain\" by barnyz is licensed under CC BY-NC-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-nd/2.0/.",
"duration_ms": null,
"license_url": "https://creativecommons.org/licenses/by-nc-nd/2.0/",
"landing_page": "https://www.flickr.com/photos/75487768@N04/6804734507"
}
],
"returned": 8,
"total_matches": 240
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object",
"required": [
"q"
],
"properties": {
"q": {
"type": "string",
"description": "What to find, e.g. mountain lake, rain sound"
},
"kind": {
"type": "string",
"description": "optional images (default) or audio"
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string",
"const": "json"
},
"example": {
"type": "object",
"required": [
"query",
"results"
],
"properties": {
"kind": {
"type": "string",
"description": "Kind of record"
},
"note": {
"type": "string",
"description": "Caveat or context for reading the result"
},
"query": {
"type": "string",
"description": "The query as the server interpreted it"
},
"source": {
"type": "string",
"description": "Data source the values come from"
},
"results": {
"type": "array",
"description": "List of matching results"
},
"returned": {
"type": "number",
"description": "Number of items in this response"
},
"total_matches": {
"type": [
"number",
"null"
],
"description": "Total number of matches before any limit is applied"
}
}
}
}
}
}
}
},
"method": "GET",
"example": {
"kind": "images",
"note": "Always give the listed attribution; reuse terms are set by each license.",
"query": "mountain",
"source": "Openverse (WordPress Foundation)",
"results": [
{
"tags": [
"iceland",
"landscape",
"mountain",
"mountains"
],
"title": "Mountains",
"width": 1024,
"height": 680,
"creator": "Kamil Porembiński",
"license": "BY-SA 2.0",
"file_url": "https://live.staticflickr.com/7539/16129656628_ddd1db38c2_b.jpg",
"provider": "flickr",
"attribution": "\"Mountains\" by Kamil Porembiński is licensed under CC BY-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/2.0/.",
"duration_ms": null,
"license_url": "https://creativecommons.org/licenses/by-sa/2.0/",
"landing_page": "https://www.flickr.com/photos/22178197@N00/16129656628"
},
{
"tags": [
"mountain"
],
"title": "mountain",
"width": 1024,
"height": 681,
"creator": "barnyz",
"license": "BY-NC-ND 2.0",
"file_url": "https://live.staticflickr.com/3742/13799251124_1924e3681f_b.jpg",
"provider": "flickr",
"attribution": "\"mountain\" by barnyz is licensed under CC BY-NC-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-nd/2.0/.",
"duration_ms": null,
"license_url": "https://creativecommons.org/licenses/by-nc-nd/2.0/",
"landing_page": "https://www.flickr.com/photos/75487768@N04/13799251124"
},
{
"tags": [
"mountain"
],
"title": "mountain",
"width": 1024,
"height": 681,
"creator": "barnyz",
"license": "BY-NC-ND 2.0",
"file_url": "https://live.staticflickr.com/7010/6804734507_bf07478eff_b.jpg",
"provider": "flickr",
"attribution": "\"mountain\" by barnyz is licensed under CC BY-NC-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-nd/2.0/.",
"duration_ms": null,
"license_url": "https://creativecommons.org/licenses/by-nc-nd/2.0/",
"landing_page": "https://www.flickr.com/photos/75487768@N04/6804734507"
},
{
"tags": [
"mountain"
],
"title": "mountain",
"width": 1024,
"height": 683,
"creator": "barnyz",
"license": "BY-NC-ND 2.0",
"file_url": "https://live.staticflickr.com/790/26155805537_9975b3b96f_b.jpg",
"provider": "flickr",
"attribution": "\"mountain\" by barnyz is licensed under CC BY-NC-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-nd/2.0/.",
"duration_ms": null,
"license_url": "https://creativecommons.org/licenses/by-nc-nd/2.0/",
"landing_page": "https://www.flickr.com/photos/75487768@N04/26155805537"
},
{
"tags": [
"mountain"
],
"title": "mountain",
"width": 1024,
"height": 681,
"creator": "barnyz",
"license": "BY-NC-ND 2.0",
"file_url": "https://live.staticflickr.com/7156/6833222541_a99c248095_b.jpg",
"provider": "flickr",
"attribution": "\"mountain\" by barnyz is licensed under CC BY-NC-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-nd/2.0/.",
"duration_ms": null,
"license_url": "https://creativecommons.org/licenses/by-nc-nd/2.0/",
"landing_page": "https://www.flickr.com/photos/75487768@N04/6833222541"
},
{
"tags": [
"mountain"
],
"title": "mountain",
"width": 1024,
"height": 681,
"creator": "barnyz",
"license": "BY-NC-ND 2.0",
"file_url": "https://live.staticflickr.com/7020/6804741855_b37958a37a_b.jpg",
"provider": "flickr",
"attribution": "\"mountain\" by barnyz is licensed under CC BY-NC-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-nd/2.0/.",
"duration_ms": null,
"license_url": "https://creativecommons.org/licenses/by-nc-nd/2.0/",
"landing_page": "https://www.flickr.com/photos/75487768@N04/6804741855"
},
{
"tags": [
"mountain"
],
"title": "mountain",
"width": 1024,
"height": 683,
"creator": "barnyz",
"license": "BY-NC-ND 2.0",
"file_url": "https://live.staticflickr.com/401/31628278140_17bb9f1fd8_b.jpg",
"provider": "flickr",
"attribution": "\"mountain\" by barnyz is licensed under CC BY-NC-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-nd/2.0/.",
"duration_ms": null,
"license_url": "https://creativecommons.org/licenses/by-nc-nd/2.0/",
"landing_page": "https://www.flickr.com/photos/75487768@N04/31628278140"
},
{
"tags": [
"mountain"
],
"title": "mountain",
"width": 1024,
"height": 768,
"creator": "barnyz",
"license": "BY-NC-ND 2.0",
"file_url": "https://live.staticflickr.com/7189/6886287734_4c7249c589_b.jpg",
"provider": "flickr",
"attribution": "\"mountain\" by barnyz is licensed under CC BY-NC-ND 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-nd/2.0/.",
"duration_ms": null,
"license_url": "https://creativecommons.org/licenses/by-nc-nd/2.0/",
"landing_page": "https://www.flickr.com/photos/75487768@N04/6886287734"
}
],
"returned": 8,
"total_matches": 240
},
"license": "LicenseRef-Saylor-Agent-Use-1.0",
"mimeType": "application/json",
"freshness": "fetched live (cached up to 1 hour for large reference files)",
"tokenCount": null,
"inputSchema": {
"q": "What to find, e.g. mountain lake, rain sound",
"kind": "optional images (default) or audio",
"limit": "optional 1-20, default 8"
},
"serviceName": "Saylor Innovations Data Desk",
"instructions": "STANDARD PATH (works with stock x402 clients): send payload.transaction — a base64 partially-signed Solana transaction — and we route verify/settle through an x402 facilitator that sponsors the fee and submits it. Include the chosen accepts entry as \"accepted\" so we can match terms. ALTERNATIVE PATH (no facilitator): Pick ONE entry from accepts and use the reference and session from THAT entry — each asset has its own. USDC or USDT: send an SPL transfer of the exact amount. Native SOL (asset=So11111111111111111111111111111111111111112, extra.native=true): send that many lamports with a system transfer. Either way include extra.reference as a read-only account (Solana Pay style), then retry with PAYMENT-SIGNATURE: base64({x402Version:2, payload:{session, reference}}). If your client cannot attach a reference, send payload.signature instead (USDC only). SOL amounts are quoted live and expire in 120s; stablecoins do not move. The facilitator path verifies and settles in this request. Only the alternative self-submitted Solana path needs retries while the transfer is indexed (typically 3-4 attempts over 10-20s). On that path, a 402 saying \"payment not found on-chain yet\" means keep retrying.",
"outputSchema": {
"type": "object",
"required": [
"query",
"results"
],
"properties": {
"kind": {
"type": "string"
},
"note": {
"type": "string"
},
"query": {
"type": "string"
},
"source": {
"type": "string"
},
"results": {
"type": "array"
},
"returned": {
"type": "number"
},
"total_matches": {
"type": [
"number",
"null"
]
}
}
},
"noPathTemplate": true,
"settlementModes": [
"facilitator-transaction",
"self-submitted-reference"
],
"typicalLatencyMs": 700
},
"x402Version": 2
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
Pay 0.01 USDC on Base to 0xA2A8…fc8aa. The signed payment is good for 2 minutes.
- Paid to
- 0xA2A8…fc8aa
- USD Coin contract
- 0x8335…02913
- Payment window
- 2 minutes
- As published
- 10000 smallest units
- Returns
- application/json
That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.
- Paid to
- 7LSjfr…Xacy7
- Token contract
- EPjFWd…TDt1v
- Payment window
- 2 minutes
- Returns
- application/json
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"payTo": "0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa",
"scheme": "exact",
"network": "eip155:8453",
"mimeType": "application/json",
"resource": "https://saylorinnovations.com/api/media/openverse",
"description": "",
"maxAmountRequired": "10000",
"maxTimeoutSeconds": 120
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"mimeType": "application/json",
"resource": "https://saylorinnovations.com/api/media/openverse",
"description": "",
"maxAmountRequired": "10000",
"maxTimeoutSeconds": 120
}
]Provenance
- Seen in the source catalog
- 2026-10-17 07:11Z
- Last indexed by Roundhouse
- 2026-10-18 22:45Z
- Last enriched (probe, favicon, geo)
- 2026-10-18 23:15Z
- x402 version
- 1
- Max timeout
- 120s
- Liveness probe
- HTTP 402
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 19 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service saylorinnovations.com and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=saylorinnovations.com' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://saylorinnovations.com/api/media/openverse, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.