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Adding CDP Wallets section to Builder Codes docs for App Developers #1397

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youssefea merged 2 commits into from
May 7, 2026
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Adding CDP Wallets section to Builder Codes docs for App Developers #1397

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Adding CDP Wallets section to Builder Codes docs for App Developers
Jnix2007 May 7, 2026
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Updated for alphabetical ordering per feedback
Jnix2007 May 7, 2026
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6 changes: 6 additions & 0 deletions docs/apps/builder-codes/app-developers.mdx
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Expand Up @@ -126,6 +126,12 @@ When you register on [base.dev](https://base.dev/), you will receive a **Builder
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## Using CDP Wallets

[Coinbase Developer Platform (CDP) Wallets](https://docs.cdp.coinbase.com/wallets/non-custodial-wallets/overview) support Builder Codes on user operations from smart accounts. Pass `dataSuffix` when you send a user operation so your Builder Code is appended; no contract changes required. This works across the React hooks (`useSendUserOperation`), Node (TypeScript), and Python SDKs.

See [Builder Codes](https://docs.cdp.coinbase.com/wallets/using-wallets/smart-accounts#builder-codes) in the CDP Wallets documentation for setup instructions, including how to generate the suffix with `Attribution.toDataSuffix` from `ox/erc8021`.

## Using Privy

Privy provides a `dataSuffix` plugin that automatically appends your Builder Code to all transactions—including both EOA transactions and ERC-4337 smart wallet user operations.
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