French address geocoding on the official Base Adresse Nationale (api-adresse
French address geocoding on the official Base Adresse Nationale (api-adresse.data.gouv.fr, Etalab/IGN, continuously updated). Forward: ?q=8 boulevard du port amiens with optional &type=housenumber|street|locality|municipality &citycode=80021 (INSEE filter). Reverse: ?lat=49.897&lon=2.290. &limit=1-10 (default 3). Each match returns normalized label, confidence score, lat/lon, street, postcode, city, INSEE citycode and context. No match returns 400 (not billed). Cached 24h.
1000 (raw units)
price
2
calls / 30d
1
unique payers
2026-08-27
updated
Provider
data.greeneris.io · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "1000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"limit": 1,
"q": "8 boulevard du port amiens"
},
"type": "http"
},
"output": {
"example": {
"count": 1,
"matches": [
{
"city": "Amiens",
"citycode": "80021",
"context": "80, Somme, Hauts-de-France",
"housenumber": "8",
"label": "8 Boulevard du Port 80000 Amiens",
"lat": 49.897442,
"lon": 2.290084,
"postcode": "80000",
"score": 0.97072,
"street": "Boulevard du Port",
"type": "housenumber"
}
],
"mode": "search",
"query": "8 boulevard du port amiens",
"source": "Base Adresse Nationale via api-adresse.data.gouv.fr (Etalab/IGN, Licence Ouverte 2.0)"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"citycode": {
"description": "Filter by 5-char INSEE city code",
"type": "string"
},
"lat": {
"description": "Latitude (reverse mode, with lon)",
"type": "number"
},
"limit": {
"description": "Max matches, 1-10 (default 3)",
"type": "integer"
},
"lon": {
"description": "Longitude (reverse mode, with lat)",
"type": "number"
},
"q": {
"description": "Free-text French address (forward mode)",
"type": "string"
},
"type": {
"description": "Restrict match type",
"enum": [
"housenumber",
"street",
"locality",
"municipality"
],
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://data.greeneris.io/v1/fr/geocode" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://data.greeneris.io/v1/fr/geocode");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://data.greeneris.io/v1/fr/geocode")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/3932.json, and this resource appears in /discovery/resources and /discovery/search.