Fact-preserving listing formatter for Etsy, eBay and Shopify
Fact-preserving listing formatter for Etsy, eBay and Shopify: titles, bullets, description, keyword suggestions, character checks and claim-risk flags. Rules-based, not keyword-volume research or platform compliance certification.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
567 msmedian answer time
$0.03listed price per call
$0.03price 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://signalforgestudios.com/x402/listing-optimizer
| Category | Company and compliance |
|---|---|
| Provider host | signalforgestudios.com |
| Networks | eip155:8453 |
| 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 |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.03 | 567 ms |
Example input (from the provider)
{
"body": {
"brand": "Sample Studio",
"facts": [
"100% linen",
"Natural white",
"Measures 14 x 72 inches"
],
"keywords": [
"linen table runner",
"white table runner"
],
"platform": "etsy",
"product_name": "Linen Table Runner"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"brand": {
"maxLength": 80,
"minLength": 0,
"type": "string"
},
"facts": {
"items": {
"maxLength": 200,
"minLength": 1,
"type": "string"
},
"maxItems": 12,
"minItems": 1,
"type": "array"
},
"keywords": {
"items": {
"maxLength": 80,
"minLength": 1,
"type": "string"
},
"maxItems": 13,
"minItems": 0,
"type": "array"
},
"platform": {
"enum": [
"etsy",
"ebay",
"shopify"
]
},
"product_name": {
"maxLength": 140,
"minLength": 1,
"type": "string"
}
},
"required": [
"platform",
"product_name",
"facts"
],
"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": {
"data": {
"required": [
"listing",
"validation",
"provenance",
"warnings",
"limitations"
],
"type": "object"
},
"meta": {
"type": "object"
},
"success": {
"const": true
}
},
"required": [
"success",
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}