Convert a non-negative weight or mass value between common units
Convert a non-negative weight or mass value between common units. Use this deterministic endpoint when an agent needs a precise unit conversion.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
1360 msmedian answer time
$0.002listed price per call
$0.002price 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://87-106-119-237.sslip.io/api/convert-weight
| Category | Everything else |
|---|---|
| Provider host | 87-106-119-237.sslip.io |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 5 from 4 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.002 | 1360 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"from_unit": "kg",
"to_unit": "lb",
"value": "1"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"from_unit": {
"description": "Input unit.",
"enum": [
"carat",
"g",
"kg",
"lb",
"long_ton",
"mg",
"oz",
"short_ton",
"st",
"tonne",
"ug"
],
"type": "string"
},
"to_unit": {
"description": "Output unit.",
"enum": [
"carat",
"g",
"kg",
"lb",
"long_ton",
"mg",
"oz",
"short_ton",
"st",
"tonne",
"ug"
],
"type": "string"
},
"value": {
"description": "Non-negative decimal weight or mass value.",
"type": "string"
}
},
"required": [
"value",
"from_unit",
"to_unit"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"from_unit": {
"type": "string"
},
"result": {
"type": "string"
},
"to_unit": {
"type": "string"
},
"value": {
"type": "string"
}
},
"required": [
"value",
"from_unit",
"to_unit",
"result"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}