← The evidence ledger
Evidence row 75004
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://factline.dev/v1/address/lookup
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 457bcb6a8860d84b34580b687e5ab3fae2153ffa23eada5aeca17d974abeae9b
- Leaf
- 0x337c26f17f6cf2b664cf147f1bf03e0d7214c6d3bf936e51a85ffc4dd6a60752
What was observed
{
"endpoints": [
[
"x402",
"https://factline.dev/v1/address/lookup"
]
],
"name": "Factline",
"owner_address": "0xb58dd178abac67f6d4894437a7fc725cbddb2075",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xb58dd178abac67f6d4894437a7fc725cbddb2075",
"scheme": "exact"
},
{
"amount": "2000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
},
"maxTimeoutSeconds": 120,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "fyqifu7otDYanhqr84B9YzZfA5LwRTJ1uFLqDJinMTK",
"scheme": "exact"
}
],
"description": "Use when you need to check that a Dutch address exists or get its exact spelling and coordinates: official BAG address from postcode + house number or free text, latitude/longitude, BAG ids, municipality, province and CBS neighbourhood code. Cheap address validation for onboarding, delivery and CRM. Source: Kadaster BAG via PDOK.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"house_number": 100,
"postcode": "2517AS"
},
"type": "http"
},
"output": {
"example": {
"address": {
"city": "'s-Gravenhage",
"house_letter": null,
"house_number": 100,
"house_number_addition": null,
"label": "Laan van Meerdervoort 100, 2517AS 's-Gravenhage",
"municipality": "'s-Gravenhage",
"municipality_code": "GM0518",
"postcode": "2517AS",
"province": "Zuid-Holland",
"street": "Laan van Meerdervoort"
},
"bag": {
"address_id": "0518200001775789",
"addressable_object_id": "0518010001775699"
},
"district": {
"code": "WK051822",
"name": "Wijk 22 Zeeheldenkwartier"
},
"location": {
"crs": "WGS84",
"lat": 52.08359668,
"lon": 4.29193161
},
"neighbourhood": {
"code": "BU05182245",
"name": "Zeeheldenkwartier"
},
"other_matches": [],
"related": [
{
"endpoint": "/v1/energy-label?postcode=2517AS&house_number=100",
"price": "0.005 USDC",
"what": "registered energy label of this home"
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"addition": {
"description": "Optional house number addition, e.g. 2 or BIS",
"type": "string"
},
"house_letter": {
"description": "Optional house letter, e.g. A",
"type": "string"
},
"house_number": {
"description": "House number, e.g. 1",
"minimum": 1,
"type": "integer"
},
"postcode": {
"description": "Dutch postcode, 4 digits + 2 letters, e.g. 3511LX",
"pattern": "^[1-9][0-9]{3} ?[A-Za-z]{2}$",
"type": "string"
},
"q": {
"description": "Alternative to postcode: free-text address, e.g. 'Visschersplein 1 Utrecht'",
"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"
}
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"id": {
"maxLength": 128,
"minLength": 16,
"pattern": "^[a-zA-Z0-9_-]+$",
"type": "string"
},
"required": {
"type": "boolean"
}
},
"required": [
"required"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T18:44:47.426Z",
"quality": {
"l30DaysTotalCalls": 7,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-25T18:44:47.217Z"
},
"resource": "https://factline.dev/v1/address/lookup",
"serviceName": "Factline",
"tags": [
"netherlands",
"europe",
"address-verification",
"geocoding",
"kyc"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Use when you need to check that a Dutch address exists or get its exact spelling and coordinates: official BAG address from postcode + house number or free text, latitude/longitude, BAG ids, municipality, province and CBS neighbourhood code. Cheap address validation for onboarding, delivery and CRM. Source: Kadaster BAG via PDOK."
}What the leaf hashes
{"body":"457bcb6a8860d84b34580b687e5ab3fae2153ffa23eada5aeca17d974abeae9b","id":75004,"kind":"listing","method":"baseline/1","observed_us":1793025489926963,"prev":null,"subject":"x402_bazaar:https://factline.dev/v1/address/lookup","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.