the402 endpoint detail

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agent402.tools memory remember

https://agent402.tools/api/memory/remember

payable

Store a piece of text for later similarity recall - a per-wallet semantic index an agent cannot host in-session. Returns an id. Pair with /api/memory/recall to retrieve by meaning, not exact key.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.003
Network
base
Pay to
0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
89 ms
Payment options
8 usable of 8
Last checked
2026-08-10T09:11:58.088Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fmemory%2Fremember"