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Local Rank Tracker Grid Coordinate Calculator
x402
Local Rank Tracker Grid Coordinate Calculator is a paid API for AI agents from x402.openwebninja.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).
Generates a grid of geographic coordinate points centered on a location for local SEO rank tracking across a configurable area
Price / call$0.003
Success—
StatusUnknown
How this service works
40+ public web-data, SERP, e-commerce, real-estate, finance and AI-search APIs, payable per call over x402 (USDC on Base, Polygon, Arbitrum). No account or API key required. Most endpoints $0.003; AI-model endpoints $0.005.
Output
Returns an array of latitude/longitude coordinate objects, each tagged with row-column indices, forming a grid pattern centered on the input location. Also includes echoed request parameters and a unique request ID for tracking.
Example use cases
Example prompt
“Generate a 5x5 geo-grid of coordinate points centered on latitude 37.341759, longitude -121.938314 with a 2 km radius so I can track local search rankings across that area.”
Technical details
Endpoint
GEThttps://x402.openwebninja.com/local-rank-tracker/calculate-grid-coordinatesWhen to prefer
Use this endpoint when you need to generate a structured geographic grid of lat/lng points around a center coordinate for local SEO rank tracking workflows. It is specifically designed for local rank tracker tools that need evenly distributed sampling points within a radius, supporting configurable odd-numbered grid sizes from 3x3 to 15x15.
Side effects
- Missing required query parameters (lat, lng, grid_size, radius) returns a 400 error
- Invalid grid_size value not in enum [3,5,7,9,11,13,15] returns a validation error
- Out-of-range latitude or longitude values may cause unexpected results or errors
- Payment not provided or insufficient USDC balance returns a 402 Payment Required
- Rate limiting may cause intermittent failures at high call volumes
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| required | string | |
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {}
}Tags
x402
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