Marketplace · API · x402

x402-filings.datalayer.workers.dev/v1/apps/lookup

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.

Endpoint	`https://x402-filings.datalayer.workers.dev/v1/apps/lookup`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~912 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x917e635b83F0dd7e8172c55EC4EEbb28B734cA85
method	GET
last updated	2026-10-29T12:32:53.097Z

Use it

Call it (an x402 client pays automatically)

curl -i https://x402-filings.datalayer.workers.dev/v1/apps/lookup
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-74c4af80ebb7df6b

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}