Charge this sale
Charge this sale: should this invoice carry VAT, which country's, and how much - place of supply (EU, UK, South Africa rules), net/VAT/gross, registration threshold, cited. Unverified pairs refused free.
Answeringour last check, 2026-10-19
1 of 1checks answered this week
542 msmedian answer time
$0.5listed price per call
$0.5price 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
POST https://mearef.dev/v1/jobs/charge-sale
| Category | Everything else |
|---|---|
| Provider host | mearef.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-19 | valid payment request | 402 | $0.5 | 542 ms |
Example input (from the provider)
{
"body": {
"amount": 100,
"buyer_country": "de",
"buyer_type": "B2C",
"seller_country": "za"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"amount": {
"type": "number"
},
"amount_is": {
"enum": [
"net",
"gross"
],
"type": "string"
},
"band": {
"description": "VAT band key, e.g. reduced",
"type": "string"
},
"buyer_country": {
"description": "Omit for single-country rate maths",
"type": "string"
},
"buyer_type": {
"enum": [
"B2B",
"B2C",
"unknown"
],
"type": "string"
},
"receipt": {
"description": "Optional. true adds an Ed25519 answer receipt on a paid 200, included in this price. Not a certified extract.",
"type": "boolean"
},
"seller_country": {
"description": "ISO 3166-1 alpha-2",
"type": "string"
}
},
"required": [
"seller_country",
"amount"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"evidence": {
"type": "array"
},
"invoice": {
"description": "net, tax, gross, rate",
"type": "object"
},
"job": {
"type": "string"
},
"receipt": {
"description": "Only when receipt=true on a paid 200. kind answer_receipt. Verify at /certified/public-key.",
"type": "object"
},
"registration": {
"type": "object"
},
"status": {
"type": "string"
},
"verdict": {
"description": "charge_vat, vat_country, reason, rule",
"type": "object"
}
},
"required": [
"job",
"status",
"verdict",
"invoice",
"evidence"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}