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docs(x402): Smart Accounts (AA) — user manual (5 pages) - #31

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@nolnol3 nolnol3 commented Sep 22, 2026

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Adds a Smart Accounts (AA) category to the x402 docs (/x402/smart-accounts/*):

Page Content
Overview What you get (4 scenarios vs EOA), how it fits with x402, pieces, status (Sepolia only)
Quickstart npm i @hpp-io/aa-sdk → create account (tabs: server key / Privy / browser wallet) → sendCalls → grantSession. Who pays for setup, result-handling contract
Agents & sessions Session fields → policies, agent client, paying x402 from a session, throughput (12 s/op, 4 lanes, batch 4× cheaper), rejection codes
Gas sponsorship ERC-7677 policy/anchor model, 4-call flow, cost per op, denial reasons, how to request (issue template in hpp-aa-sdk)
Reference Endpoint/network, canonical addresses, SDK surface, limits, 7 notes for raw viem/permissionless users

Grounding: everything is what is live on HPP Sepolia as of 2026-09-22 — public endpoint verified end-to-end (sponsored e2e, account ETH 0), @hpp-io/aa-sdk@0.1.0 on npm, addresses from hpp-bundler/deploy/contracts.json. No internal hostnames, admin API, or test keys.

npm run build passes (onBrokenLinks: throw). Rendered check: tabs, code blocks, sidebar category OK.

Note for merge: the endpoint's Cloudflare rate-limit rule is still pending on the dashboard side — recommended before this page goes live, since it publishes the URL.

…s & sessions, gas sponsorship, reference

- @hpp-io/aa-sdk 0.1.0 + public endpoint https://aa-sepolia.hpp.io/rpc (HPP Sepolia)
- quickstart: 3 owner types (server key / Privy embedded / browser wallet) as tabs, who pays for setup, result handling
- sessions: policy fields, agent client, x402 from a session, throughput (12s/op, 4 lanes, batch), rejection codes
- sponsorship: policy/anchor model, flow, cost (~$0.17 reserve / ~$0.09 settle per op), denial reasons, request path
- reference: addresses, SDK surface, limits, notes for teams bypassing the SDK
- sidebar: new collapsed=false category with overview as category link. Build passes (onBrokenLinks: throw)
@nolnol3
nolnol3 requested a review from hayarobi as a code owner September 22, 2026 02:12
@nolnol3

nolnol3 commented Sep 22, 2026

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승인 전 생성된 PR — 닫습니다. 브랜치 docs/x402-smart-accounts는 유지, 승인 후 재오픈.

@nolnol3 nolnol3 closed this Sep 22, 2026
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audit 실패를 해결한 PR을 만들었어요. 그거 먼저 처리하고 검토하려고 합니다. 혹시 더 수정할 것이 남아있나요?

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