Overall diameter, speedometer error, gearing change and rim fit for two tire siz
Overall diameter, speedometer error, gearing change and rim fit for two tire sizes
Answeringour last check, 2026-10-26
1 of 1checks answered this week
306 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/auto/tire-size
| Category | Everything else |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:137, eip155:42161, 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 |
|---|---|---|---|---|
| 2026-10-26 | valid payment request | 402 | $0.01 | 306 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"current": "225/45R17",
"new": "245/40R18",
"rim_width_in": "8",
"speed_mph": "65"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"current": {
"description": "required current tire size such as 225/45R17 (query)",
"type": "string"
},
"new": {
"description": "required new tire size such as 245/40R18 (query)",
"type": "string"
},
"rim_width_in": {
"description": "optional wheel width in inches for a fit check (query)",
"type": "string"
},
"speed_mph": {
"description": "optional speedometer reading to correct, default 60 (query)",
"type": "string"
}
},
"required": [
"current",
"new"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}