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Earn Kit on Arc: embedded USDC and EURC lending opportunities

Posted Sep 28, 2026 | Views 3.3K
# Earn Kit
# App Kits
# Arc
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Elton Tay
DevRel Lead, APAC @ Circle

SUMMARY

Earn Kit helps teams offer USDC and EURC lending opportunities from supported third-party protocols through a single integration layer, starting with Morpho-based opportunities on Arc.

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CONTENT & TRANSCRIPT

Earn Kit is now available for developers building on Arc.
Once a user has USDC or EURC, the next product question is simple: what can they do with it?
Adding earning opportunities typically means evaluating and integrating protocols, managing deposits and withdrawals, tracking positions, and maintaining infrastructure that most product teams would rather not build from scratch.
Earn Kit gives teams a simpler path: embed USDC and EURC lending opportunities offered by supported third-party protocols through a single TypeScript SDK.
What it includes:
  • APIs for discovering supported earning opportunities
  • Deposit and withdrawal flows for supported opportunities on Arc
  • Position and yield-or-loss tracking
  • Typed SDK responses and error handling
  • Wallet-controlled, non-custodial execution
  • Support for Morpho-based opportunities on Arc at launch
For builders, the design shift is straightforward: earning should feel like part of the product, not a handoff to a separate DeFi experience.
Your app decides which supported opportunities to offer. Your wallet stays in control of funds. Earn Kit handles the integration layer needed to discover opportunities, execute deposits, track positions, and withdraw.
Building wallets, fintech apps, exchanges, custody products, or stablecoin experiences on Arc? Drop what you are working on below.
1 Circle-guarded vaults note: Circle may serve in a limited sentinel role for select vaults. Circle does not own the vault, manage its strategy, guarantee performance, or protect against losses.
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