Saylor Innovations Data Desk
River flood forecast - modelled river discharge for the next 10 days on the largest river cell within 5 km of a coordinate, with seasonal comparison, trend and flood signal
InferenceLiveeip155:8453Exactvia cdp
River dischargeFlood forecastStreamflowGlofasHydrology
Calls · 30d
1
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 4 snapshots so far.
$15.76
Verified settled volume
1,657 settlements proven x402 by their on-chain EIP-3009 marker.
$0.010
Listed price
As published in the catalog. Always read the live 402 before paying.
1
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-10-16 01:16Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aaThe wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Provider
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:river-forecast",
"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": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"memo": "saylor:datadesk:river-forecast",
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},
"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"amount": "10000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 120
}
],
"resource": {
"url": "https://saylorinnovations.com/api/water/river-forecast?lat=48.85&lon=2.35",
"tags": [
"river discharge",
"flood forecast",
"streamflow",
"glofas",
"hydrology"
],
"iconUrl": "https://saylorinnovations.com/og-image.jpg",
"mimeType": "application/json",
"description": "River flood forecast - modelled river discharge for the next 10 days on the largest river cell within 5 km of a coordinate, with seasonal comparison, trend and flood signal",
"serviceName": "Saylor Innovations Data Desk"
},
"extensions": {
"tags": [
"river discharge",
"flood forecast",
"streamflow",
"glofas",
"hydrology"
],
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"lat": "48.85",
"lon": "2.35"
}
},
"output": {
"type": "json",
"example": {
"note": "Modelled discharge on a ~5 km grid (GloFAS); the largest-flow cell within about 5 km of the point, not a gauge reading",
"daily": [
{
"date": "2026-10-12",
"discharge_m3s": 51.48,
"seasonal_max_m3s": 51.48,
"seasonal_mean_m3s": 51.48
},
{
"date": "2026-10-13",
"discharge_m3s": 47.42,
"seasonal_max_m3s": 47.64,
"seasonal_mean_m3s": 47.47
},
{
"date": "2026-10-14",
"discharge_m3s": 44.29,
"seasonal_max_m3s": 46.42,
"seasonal_mean_m3s": 44.43
},
{
"date": "2026-10-15",
"discharge_m3s": 41.36,
"seasonal_max_m3s": 44.19,
"seasonal_mean_m3s": 41.65
},
{
"date": "2026-10-16",
"discharge_m3s": 38.99,
"seasonal_max_m3s": 41.56,
"seasonal_mean_m3s": 39.16
},
{
"date": "2026-10-17",
"discharge_m3s": 36.93,
"seasonal_max_m3s": 42.25,
"seasonal_mean_m3s": 37.72
},
{
"date": "2026-10-18",
"discharge_m3s": 35.64,
"seasonal_max_m3s": 56.94,
"seasonal_mean_m3s": 38.5
},
{
"date": "2026-10-19",
"discharge_m3s": 35.14,
"seasonal_max_m3s": 81.22,
"seasonal_mean_m3s": 40.74
},
{
"date": "2026-10-20",
"discharge_m3s": 35.56,
"seasonal_max_m3s": 91.68,
"seasonal_mean_m3s": 41.11
},
{
"date": "2026-10-21",
"discharge_m3s": 35.39,
"seasonal_max_m3s": 82.18,
"seasonal_mean_m3s": 39.72
}
],
"trend": "falling",
"source": "Open-Meteo flood API (GloFAS)",
"location": {
"lat": 48.85,
"lon": 2.35,
"grid_lat": 48.775,
"grid_lon": 2.3750153
},
"peak_date": "2026-10-12",
"flood_signal": "within normal range",
"cells_compared": 9,
"peak_discharge_m3s": 51.48,
"current_discharge_m3s": 51.48,
"peak_vs_seasonal_mean_x": 1
}
}
},
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"queryParams": {
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"properties": {
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"type": "string",
"description": "Latitude in decimal degrees, e.g. 40.71"
},
"lon": {
"type": "string",
"description": "Longitude in decimal degrees, e.g. -74.01"
}
}
}
},
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"daily": {
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"trend": {
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},
"location": {
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},
"peak_date": {
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],
"description": "Peak date"
},
"checked_at": {
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],
"description": "Time the check was run (UTC)"
},
"flood_signal": {
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},
"current_discharge_m3s": {
"type": "number",
"description": "Current discharge m3s"
},
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"type": [
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}
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}
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}
}
}
},
"method": "GET",
"example": {
"note": "Modelled discharge on a ~5 km grid (GloFAS); the largest-flow cell within about 5 km of the point, not a gauge reading",
"daily": [
{
"date": "2026-10-12",
"discharge_m3s": 51.48,
"seasonal_max_m3s": 51.48,
"seasonal_mean_m3s": 51.48
},
{
"date": "2026-10-13",
"discharge_m3s": 47.42,
"seasonal_max_m3s": 47.64,
"seasonal_mean_m3s": 47.47
},
{
"date": "2026-10-14",
"discharge_m3s": 44.29,
"seasonal_max_m3s": 46.42,
"seasonal_mean_m3s": 44.43
},
{
"date": "2026-10-15",
"discharge_m3s": 41.36,
"seasonal_max_m3s": 44.19,
"seasonal_mean_m3s": 41.65
},
{
"date": "2026-10-16",
"discharge_m3s": 38.99,
"seasonal_max_m3s": 41.56,
"seasonal_mean_m3s": 39.16
},
{
"date": "2026-10-17",
"discharge_m3s": 36.93,
"seasonal_max_m3s": 42.25,
"seasonal_mean_m3s": 37.72
},
{
"date": "2026-10-18",
"discharge_m3s": 35.64,
"seasonal_max_m3s": 56.94,
"seasonal_mean_m3s": 38.5
},
{
"date": "2026-10-19",
"discharge_m3s": 35.14,
"seasonal_max_m3s": 81.22,
"seasonal_mean_m3s": 40.74
},
{
"date": "2026-10-20",
"discharge_m3s": 35.56,
"seasonal_max_m3s": 91.68,
"seasonal_mean_m3s": 41.11
},
{
"date": "2026-10-21",
"discharge_m3s": 35.39,
"seasonal_max_m3s": 82.18,
"seasonal_mean_m3s": 39.72
}
],
"trend": "falling",
"source": "Open-Meteo flood API (GloFAS)",
"location": {
"lat": 48.85,
"lon": 2.35,
"grid_lat": 48.775,
"grid_lon": 2.3750153
},
"peak_date": "2026-10-12",
"flood_signal": "within normal range",
"cells_compared": 9,
"peak_discharge_m3s": 51.48,
"current_discharge_m3s": 51.48,
"peak_vs_seasonal_mean_x": 1
},
"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": {
"lat": "Latitude in decimal degrees, e.g. 40.71",
"lon": "Longitude in decimal degrees, e.g. -74.01"
},
"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": [
"daily"
],
"properties": {
"daily": {
"type": "array",
"items": {
"type": "object"
}
},
"trend": {
"type": [
"string",
"null"
]
},
"flood_signal": {
"type": [
"string",
"null"
]
},
"peak_discharge_m3s": {
"type": [
"number",
"null"
]
},
"current_discharge_m3s": {
"type": "number"
}
}
},
"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.
0.01USDC≈ $0.01 USD
on Base · exact scheme
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
10000units
on solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · exact scheme
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
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"memo": "saylor:datadesk:river-forecast",
"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
},
{
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"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
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"payTo": "7LSjfrJf8fNsB8VA9u7N3WEn25smQLpob3SvyUvXacy7",
"amount": "10000",
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"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
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]Extensions
{
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"lat": "48.85",
"lon": "2.35"
}
},
"output": {
"type": "json",
"example": {
"note": "Modelled discharge on a ~5 km grid (GloFAS); the largest-flow cell within about 5 km of the point, not a gauge reading",
"daily": [
{
"date": "2026-10-12",
"discharge_m3s": 51.48,
"seasonal_max_m3s": 51.48,
"seasonal_mean_m3s": 51.48
},
{
"date": "2026-10-13",
"discharge_m3s": 47.42,
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"seasonal_mean_m3s": 47.47
},
{
"date": "2026-10-14",
"discharge_m3s": 44.29,
"seasonal_max_m3s": 46.42,
"seasonal_mean_m3s": 44.43
},
{
"date": "2026-10-15",
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"seasonal_mean_m3s": 41.65
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{
"date": "2026-10-16",
"discharge_m3s": 38.99,
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},
{
"date": "2026-10-17",
"discharge_m3s": 36.93,
"seasonal_max_m3s": 42.25,
"seasonal_mean_m3s": 37.72
},
{
"date": "2026-10-18",
"discharge_m3s": 35.64,
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{
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{
"date": "2026-10-20",
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{
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}
],
"trend": "falling",
"source": "Open-Meteo flood API (GloFAS)",
"location": {
"lat": 48.85,
"lon": 2.35,
"grid_lat": 48.775,
"grid_lon": 2.3750153
},
"peak_date": "2026-10-12",
"flood_signal": "within normal range",
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"required": [
"type",
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"PUT",
"PATCH",
"DELETE",
"HEAD"
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"required": [
"lat",
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"type": "object",
"required": [
"daily"
],
"properties": {
"note": {
"type": [
"string",
"null"
],
"description": "Caveat or context for reading the result"
},
"daily": {
"type": "array",
"items": {
"type": "object"
},
"description": "Daily values"
},
"trend": {
"type": [
"string",
"null"
],
"description": "Direction of recent change"
},
"source": {
"type": [
"string",
"null"
],
"description": "Data source the values come from"
},
"location": {
"description": "Place the data refers to"
},
"peak_date": {
"type": [
"string",
"null"
],
"description": "Peak date"
},
"checked_at": {
"type": [
"string",
"null"
],
"description": "Time the check was run (UTC)"
},
"flood_signal": {
"type": [
"string",
"null"
],
"description": "Flood signal"
},
"cells_compared": {
"type": [
"number",
"null"
],
"description": "Cells compared"
},
"peak_discharge_m3s": {
"type": [
"number",
"null"
],
"description": "Peak discharge m3s"
},
"current_discharge_m3s": {
"type": "number",
"description": "Current discharge m3s"
},
"peak_vs_seasonal_mean_x": {
"type": [
"number",
"null"
],
"description": "Peak vs seasonal mean x"
}
}
}
}
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-10-16 01:16Z
- Last indexed by Roundhouse
- 2026-10-18 00:30Z
- Last enriched (probe, favicon, geo)
- 2026-10-16 13:45Z
- x402 version
- 2
- 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. 4 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
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Using Roundhouse, look up the x402 service Saylor Innovations Data Desk 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=Saylor%20Innovations%20Data%20Desk' 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/water/river-forecast, 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.