Marketplace · API · x402

api.eckari.com/v1/parcels/detect-carrier

Identify which carrier issued a tracking number using a deterministic, versioned signature set - prefixes, lengths, carrier check digits and UPU S10 structure - returning the carrier, how distinctive the match is, every ranked candidate with typed evidence, and the parsed S10 details. No upstream call and no carrier account required. Use when: Which carrier is this tracking number from?

Endpoint	`https://api.eckari.com/v1/parcels/detect-carrier`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~336 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	0x9d6b6fdB04040a55d58B24ff4C90C08cf6083C8f
method	GET
last updated	2026-10-29T09:19:35.804Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.eckari.com/v1/parcels/detect-carrier
# 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/x402-6695a47a956880cd

Search the whole marketplace from your agent (MCP)

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