geoprimitives
Dissolve overlapping or adjacent polygons into a single shape: merging parcels, coverage areas or service zones into one boundary before measuring or testing it. Send a FeatureCollection of Polygons or MultiPolygons; the answer is a single Polygon or MultiPolygon Feature, or null with empty:true when nothing is left. Clipping is planar in longitude/latitude, the way every polygon-clipping library does it: edges are straight in degrees rather than geodesics, and the two differ on edges spanning more than about a degree. The 2000-position cap is CPU rather than bandwidth: the sweep-line overlay is quadratic on self-intersecting input, where 2000 positions is already about 350 ms. Input is EPSG:4326 only. Limits: 2000 positions across all members, 1 MiB request body, and at least two polygonal geometries or the call is refused.
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.
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 0x76A5…68FCe. The signed payment is good for 5 minutes.
- Paid to
- 0x76A5…68FCe
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 10000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x76A51b5Dd3729950B3b60c17f19252d221968FCe",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"body": {
"geojson": {
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"geometry": {
"type": "Polygon",
"coordinates": [
[
[
-150,
61
],
[
-149.9,
61
],
[
-149.9,
61.1
],
[
-150,
61.1
],
[
-150,
61
]
]
]
},
"properties": null
},
{
"type": "Feature",
"geometry": {
"type": "Polygon",
"coordinates": [
[
[
-149.95,
61.05
],
[
-149.85,
61.05
],
[
-149.85,
61.15
],
[
-149.95,
61.15
],
[
-149.95,
61.05
]
]
]
},
"properties": null
}
]
}
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"op": "union",
"empty": false,
"notes": [
"Vertices are treated as planar in longitude/latitude, which is what every polygon-clipping library does. Edges are straight in degrees, not geodesics; on edges spanning more than a degree or so the two differ."
],
"geojson": {
"type": "Feature",
"geometry": {
"type": "Polygon",
"coordinates": [
[
[
-150,
61
],
[
-149.9,
61
],
[
-149.9,
61.05
],
[
-149.85,
61.05
],
[
-149.85,
61.15
],
[
-149.95,
61.15
],
[
-149.95,
61.1
],
[
-150,
61.1
],
[
-150,
61
]
]
]
},
"properties": null
},
"inputVertices": 10,
"outputVertices": 9,
"inputGeometries": 2
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"bodyType",
"body"
],
"properties": {
"body": {
"type": "object",
"required": [
"geojson"
],
"properties": {
"geojson": {
"type": "object",
"description": "A GeoJSON FeatureCollection or GeometryCollection holding two or more Polygons or MultiPolygons in EPSG:4326. At most 2000 positions across all members. Anything non-polygonal is rejected."
}
},
"additionalProperties": false
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-08-21 17:26Z
- Last indexed by Roundhouse
- 2026-09-20 17:20Z
- Last enriched (probe, favicon, geo)
- 2026-09-23 21:15Z
- x402 version
- 2
- Max timeout
- 300s
- Liveness probe
- HTTP 404
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. 28 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 geoprimitives 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=geoprimitives' 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://api.geoprimitives.dev/v1/geometry/union, 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. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402, or use an organization key from https://roundhouseai.io/dashboard/team. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.