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Duo Data Utilities – Plus Code (Open Location Code) Encode/Decode/Shorten/Recover
x402
Duo Data Utilities – Plus Code (Open Location Code) Encode/Decode/Shorten/Recover is a paid API for AI agents from api.duoleads.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-02).
Encodes WGS-84 coordinates to an Open Location Code (plus code), decodes a plus code to its bounding box and centre, shortens a full code against a reference coordinate, or recovers a shortened code given a reference.
Price / call$0.05
Success—
StatusUnknown
How this service works
Encode coordinates as an Open Location Code (plus code) at a chosen length, or decode a full code back to its bounding box and centre. Also shortens a full code against a reference coordinate and recovers a shortened code given a reference, which is how plus codes are normally exchanged in text. Returns code length, precision in metres and validity.
Output
Returns a JSON object with the operation result including: the plus code string, validity flag, whether it is full or shortened, code length, precision in metres, centre latitude/longitude, and bounding box (min/max lat/lon). Also includes metadata such as request ID, computation timestamp, and price.
Example use cases
Generating shareable plus codes for field locations
“I have a remote field site at latitude -33.8688 and longitude 151.2093 — encode it as a 10-character plus code so I can share it with someone who doesn't have a street address.”
Recovering shortened code near a city
“Someone sent me the shortened plus code '4C+J4' and I know it's near Amsterdam (lat 52.3676, lon 4.9041) — can you recover the full plus code for me?”
Decoding a plus code to precise coordinates
“I have the plus code '9F469VFV+4C' and need to know its exact centre coordinates and bounding box — can you decode it for me?”
Technical details
Endpoint
GEThttps://api.duoleads.com/v1/geo/pluscode?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need deterministic, standards-compliant Open Location Code (plus code) operations — encoding coordinates to plus codes, decoding plus codes to geographic bounding boxes, or working with shortened plus codes relative to a reference location. Prefer it over geohash endpoints when the OLC/plus code format is specifically required (e.g. for Google Maps compatibility or address-free location sharing in areas without street addresses).
Side effects
- Invalid or out-of-range latitude/longitude returns a validation error
- Malformed or invalid plus code string for decode/shorten/recover returns an error with reason field
- Missing required parameters for the chosen operation (e.g. missing lat/lon for encode) returns a 400-level error
- Code length enum value not in allowed set returns validation error
- Shortened code that cannot be recovered relative to the given reference returns an error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"data": {
"bbox": {
"max_lat": 52.372875,
"max_lon": 4.893625,
"min_lat": 52.37275,
"min_lon": 4.8935
},
"code": "9F469VFV+4C",
"valid": true,
"center": {
"lat": 52.3728125,
"lon": 4.8935625
},
"length": 10,
"reason": null,
"is_full": true,
"is_short": false,
"precision_m": 13.9
},
"meta": {
"price_usd": "0.05",
"disclaimer": "Factual output of a deterministic computation over public data. Provided as is, with no warranty of accuracy, completeness or availability. Not investment, financial, legal, tax, medical or any other professional advice, and not a recommendation. Verify before relying on it. Terms: https://api.duoleads.com/terms",
"request_id": "01K6B7Q4ZC8H3F2M9WXR5TYN0D",
"computed_at": "2026-09-28T12:00:00.000Z",
"deterministic": true
},
"route": "/v1/geo/pluscode",
"version": "1.0.0"
}
}Tags
x402
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