web-production-18a32.up.railway.app
UK Stamp Duty Land Tax (SDLT) calculator with first-time buyer relief and surcharges.
Offering
- Provider
- web-production-18a32.up.railway.app
- Method
- POST
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Financial Analysis
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://web-production-18a32.up.railway.app/stamp-duty- MIME type
- Not provided
- First seen
- 2026-10-16T01:54:06.400Z
- Last seen
- Tags
- Search, Utility
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "1000",
"payTo": "0xFFc458dB291b4ABcE020fE3de4f91F2770E537b1"
}
]Observed health
- Status
- Healthy
- Latest latency
- 99 ms
- Average latency
- 1473 ms
- HTTP status
- 402
- Last checked
- Reachability
- 100% over 14 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"type": "object",
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"enum": [
"POST",
"PUT",
"PATCH"
]
},
"bodyType": {
"type": "string",
"enum": [
"json",
"form-data",
"text"
]
},
"body": {
"type": "object",
"properties": {
"price": {
"type": "number",
"minimum": 0,
"description": "Property purchase price in GBP."
},
"is_first_time_buyer": {
"type": "boolean",
"description": "First-time buyers get relief on properties up to £625,000."
},
"is_additional_property": {
"type": "boolean",
"description": "Second homes / buy-to-let pay a 5% surcharge (Oct 2024 rates)."
},
"is_non_resident": {
"type": "boolean",
"description": "Non-UK residents pay an extra 2% surcharge."
}
},
"required": [
"price"
]
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"additionalProperties": false
}Output schema
{
"type": "object",
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"properties": {
"price": {
"type": "number"
},
"total_tax": {
"type": "number",
"description": "Total SDLT payable in GBP."
},
"effective_rate": {
"type": "number",
"description": "Effective tax rate as a percentage."
},
"breakdown": {
"type": "array",
"description": "Band-by-band breakdown."
},
"buyer_type": {
"type": "string"
}
}
}
},
"required": [
"type"
]
}