UK postcode lookup
UK postcode lookup - latitude, longitude, ward, district, constituency, region and LSOA for any full UK postcode from Ordnance Survey open data
Answeringour last check, 2026-10-18
1 of 1checks answered this week
349 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://saylorinnovations.com/api/uk/postcode/:postcode
| Category | Everything else |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.01 | 349 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"postcode": "SW1A2AA"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"pathParams": {
"properties": {
"postcode": {
"description": "Full UK postcode in the path, e.g. SW1A2AA",
"type": "string"
}
},
"required": [
"postcode"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"pathParams"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"codes": {
"description": "Codes assigned to the record",
"type": "object"
},
"constituency": {
"type": [
"string",
"null"
]
},
"country": {
"description": "Country name",
"type": "string"
},
"county": {
"description": "County",
"type": [
"string",
"null"
]
},
"district": {
"type": [
"string",
"null"
]
},
"eastings": {
"type": [
"number",
"null"
]
},
"incode": {
"type": [
"string",
"null"
]
},
"lat": {
"description": "Latitude in decimal degrees",
"type": [
"number",
"null"
]
},
"lon": {
"description": "Longitude in decimal degrees",
"type": [
"number",
"null"
]
},
"lsoa": {
"type": [
"string",
"null"
]
},
"msoa": {
"type": [
"string",
"null"
]
},
"nhs_region": {
"description": "Nhs region",
"type": [
"string",
"null"
]
},
"northings": {
"type": [
"number",
"null"
]
},
"outcode": {
"type": [
"string",
"null"
]
},
"parish": {
"type": [
"string",
"null"
]
},
"postcode": {
"type": "string"
},
"quality": {
"type": [
"number",
"null"
]
},
"region": {
"description": "Region",
"type": [
"string",
"null"
]
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"ward": {
"type": [
"string",
"null"
]
}
},
"required": [
"postcode",
"lat",
"lon"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}