the402 endpoint detail

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readx.sh tools get_user_ids

https://readx.sh/api/tools/get_user_ids

answers 402

Resolve up to 20 @handles to numeric user ids (map; null on per-handle failure). Example: GET /api/tools/get_user_ids?usernames=jack,elonmusk

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0x13E060ADcc6F4b731Da8382B333027B8B2bfF707
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
945 ms
Payment options
2 usable of 2
Last checked
2026-08-15T14:25:34.225Z (23h ago)
Category
mcp-server

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Freadx.sh%2Fapi%2Ftools%2Fget_user_ids"