App Store listing data for any app on any storefront
App Store listing data for any app on any storefront: current and all-time star ratings with review counts, version, release notes, size, price, content rating, genres and release dates. Includes a version-sentiment read comparing the current version's rating against its all-time average, which is how you spot a release that damaged an app. Look up by numeric App Store id or search by name.
Answeringour last check, 2026-10-24
1 of 1checks answered this week
32 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://x402-filings.datalayer.workers.dev/v1/apps/lookup
| Category | Commerce and shopping |
|---|---|
| Provider host | x402-filings.datalayer.workers.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-24 | valid payment request | 402 | $0.01 | 32 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"appId": "284882215",
"country": "us",
"limit": 10,
"search": "duolingo"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"appId": {
"description": "Numeric App Store id. Either appId or search is required.",
"examples": [
"284882215"
],
"type": "string"
},
"country": {
"description": "Two-letter storefront. Default us.",
"examples": [
"us"
],
"type": "string"
},
"limit": {
"description": "Max apps when searching, 1-25. Default 10.",
"examples": [
10
],
"type": "integer"
},
"search": {
"description": "App name to search for instead of an id.",
"examples": [
"duolingo"
],
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}