561-group-astronomy-positions
Apparent geocentric ecliptic longitude, latitude and angular speed with lunar illumination, computation provenance and measured error bounds.
DataLiveeip155:8453Exactvia cdp
EphemerisPositional-astronomyPlanetary-positions
Calls · 30d
2→ 0%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 30 snapshots so far.
$0.49
Verified settled volume
34 settlements proven x402 by their on-chain EIP-3009 marker.
$0.040
Listed price
As published in the catalog. Always read the live 402 before paying.
2
Calls · 30d
Upstream's own call count for this endpoint, not ours.
2
Unique payers · 30d
Last called 2026-10-08 06:26Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x32886F6F361C1d570255c2762967A2e41D0E9B1aThe 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.
Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
0.04USDC≈ $0.04 USD
on Base · exact scheme
Pay 0.04 USDC on Base to 0x3288…E9B1a. The signed payment is good for 5 minutes.
- Paid to
- 0x3288…E9B1a
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 40000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x32886F6F361C1d570255c2762967A2e41D0E9B1a",
"amount": "40000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {}
},
"output": {
"type": "json",
"example": {
"tier": "astronomy-positions",
"time": "2026-07-21T00:00:00.000Z",
"frame": "geocentric ecliptic-of-date, tropical, apparent",
"bodies": {
"sun": {
"speed": 0.95465,
"latitude": 0,
"longitude": 118.3151
}
},
"accuracy": {
"method": "independently audited against astronomy-engine (VSOP87/ELP)",
"validRange": "1800-2050"
},
"lunarPhase": {
"trend": "waxing",
"elongation": 92.4413,
"illuminatedFraction": 0.566
},
"provenance": {
"algorithm": "meeus-truncated-series + jpl-approximate-elements (zero-dependency)"
}
}
}
},
"schema": {
"type": "object",
"$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",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"type": "object",
"required": [
"date"
],
"properties": {
"date": {
"type": "string",
"description": "Exact ISO-8601 UTC date or instant, e.g. 2026-07-21T00:00:00Z."
}
}
},
"queryParams": {
"type": "object",
"properties": {}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"required": [
"tier",
"time",
"frame",
"bodies",
"lunarPhase",
"provenance",
"accuracy"
],
"properties": {
"tier": {
"const": "astronomy-positions"
},
"time": {
"type": "string"
},
"frame": {
"type": "string"
},
"bodies": {
"type": "object"
},
"accuracy": {
"type": "object"
},
"lunarPhase": {
"type": "object"
},
"provenance": {
"type": "object"
}
}
}
}
}
}
},
"routeTemplate": "/v1/astronomy/positions/{date}"
},
"sign-in-with-x": {
"info": {
"uri": "https://market.561.group/v1/astronomy/positions/2026-07-21T00:00:00Z",
"nonce": "31ea01da43229adaf8bda62b59a66fa4",
"domain": "market.561.group",
"version": "1",
"issuedAt": "2026-10-08T06:26:04.244Z",
"resources": [
"https://market.561.group/v1/astronomy/positions/2026-07-21T00:00:00Z"
],
"statement": "Sign in to use what this wallet has been granted at market.561.group.",
"expirationTime": "2026-10-08T06:31:04.244Z"
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"domain",
"address",
"uri",
"version",
"chainId",
"type",
"nonce",
"issuedAt",
"signature"
],
"properties": {
"uri": {
"type": "string"
},
"type": {
"type": "string"
},
"nonce": {
"type": "string"
},
"domain": {
"type": "string"
},
"address": {
"type": "string"
},
"chainId": {
"type": "string"
},
"version": {
"type": "string"
},
"issuedAt": {
"type": "string"
},
"notBefore": {
"type": "string"
},
"requestId": {
"type": "string"
},
"signature": {
"type": "string"
},
"statement": {
"type": "string"
},
"expirationTime": {
"type": "string"
}
}
},
"supportedChains": [
{
"type": "eip191",
"chainId": "eip155:8453"
}
]
}
}Provenance
- Seen in the source catalog
- 2026-10-08 06:26Z
- Last indexed by Roundhouse
- 2026-10-24 15:00Z
- Last enriched (probe, favicon, geo)
- 2026-10-03 04:45Z
- x402 version
- 2
- Max timeout
- 300s
- 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. 30 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 561-group-astronomy-positions 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=561-group-astronomy-positions' 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://market.561.group/v1/astronomy/positions/2026-07-21T00:00:00Z, 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.