Now deprecated. Follow @buildonbase for all Base developer news!
- Tweets 477
- Following 21
- Followers 7,570
- Likes 1,058
Pinned Tweet
We'll be leaving this account dormant to ensure our developer communications are all in one place going forward.
Follow @buildonbase for all future Base developer news and updates o7
We’re making building on Base easier by sunsetting OnchainKit.
For those of you still using these legacy tools, you’ll have 60 days to migrate to alternatives. Check out the full migration guide, suggested alternatives, and timeline: docs.base.org/onchainkit/mig…
We’ve heard from many of you that fewer abstractions are better as AI tools improve. To focus on building higher-value tools for the community, we are deprecating OnchainKit.
Excited to see what you keep building and keep the feedback coming!
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Introducing Checkout —
Accept USDC payments with one-click checkout. 🛍️
+ Low fees
+ No gas. No crypto jargon.
+ Instant settlement
+ Global reach
+ Fully customizable
Start now: onchainkit.xyz/checkout/chec…
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Introducing Wallet Island 🏝️ 💫
The sleekest way to interact with wallets in your app.
No extension. No downloads. Drop it anywhere.
Balances, send, buy, and swap. All-in-one.
Start now: onchainkit.xyz/wallet/wallet…
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Introducing Earn 💸
The sleekest way to integrate yield into your app.
Deposit, withdraw, and earn yield on USDC and other tokens — all in one.
Start now: onchainkit.xyz/earn/earn
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Introducing Buy component —
One-click buy your favorite token with ETH, USDC, or Apple Pay
+ Fully customizable
+ Auto swap-routing
+ Gas sponsored swaps
+ Multi-payment support: ETH, USDC, Apple Pay, Coinbase
Happy holidays 🎄🌟
Start now: onchainkit.xyz/buy/buy
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Introducing Agent Playground —
A terminal for AI agents to create, transact, and analyze data onchain 🪄 ⭐
+ Agent wallet
+ Natural language → onchain actions
+ Autonomous onchain operations
+ Real-time block analysis
Try now: onchain-agent-demo.replit.ap…
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Agents will be the new UI of onchain.
Coming soon via @onchainkit
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Introducing the Fund Component 💸
Easily fund wallets via debit cards, bank accounts, or a @coinbase account.
Bring user funds onchain in minutes — without them leaving your app.
onchainkit.xyz/fund/fund-but…
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Introducing Fund Card —
The fastest way to add one-click crypto purchases to your app. ⚡
We've seen 2x in funding conversion already. Just drop it in and go.
Start now: onchainkit.xyz/fund/fund-car…
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𝚗𝚙𝚖 𝚌𝚛𝚎𝚊𝚝𝚎 𝚘𝚗𝚌𝚑𝚊𝚒𝚗
▶ You can now bootstrap a new onchain app with 1-line command ⚡
✔ Base
✔ Smart Wallet
✔ Paymaster
✔ @CoinbaseDev
All out of the box. No manual dependencies install. No manual config.
Just in time for some weekend hacking.
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Introducing Mint Component —
Embed mints in your app in 15 minutes. 🖼️
Bring your NFT contract. That's it.
Start now: onchainkit.xyz/mint/nft-mint…
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Introducing Wallet Modal —
A seamless gateway for signing up + signing in with all types of wallets.
No more rebuilding the same pattern every single time.
Start now: onchainkit.xyz/wallet/wallet…
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Introducing MiniKit 🤏 ✨
The easiest way to build mini apps.
Build once. Publish on Warpcast + @coinbasewallet. Finding new users is that easy.
Get started: docs.base.org/builderkits/mi…
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A new landing page 💫
Easier to start building than ever.
Start now: npm create onchain
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Are you a vibe coder? ✨
@onchainkit wants to enable everyone—literally everyone—to fall in love with building their own personal apps.
@tryoharaAI makes it easy to do so with ZERO CODE. ⚡ ⚡ ⚡
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We shipped a lot in 2024.
Here's a wrap for the devs shipping magic during the holidays 🎁 🎄:
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Introducing OnchainKit Themes ✨ 🎨
Use our building blocks and match your brand. We come with presets:
• Default
• Base
• Cyberpunk
• Hacker
Bring-Your-Own-Theme (BYOT) to the party. Get started:
onchainkit.xyz/guides/themes
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One button, any transaction – powered by @base.
Introducing new component: Transaction
+ Gasless, 4337-compatible transactions
+ Real-time status updates
+ Smart gas estimation
+ Toast notifications
+ Fully customizable UI
Get started: onchainkit.xyz/transaction/t…
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Introducing our Upgraded Swap Component 💫
v0.33.1
+ Support for low liquidity tokens on @base
+ Configurable max slippage
+ USD values for tokens
+ One-click swap with atomic batching
+ App interface fee
+ Gasless swaps
Start now: onchainkit.xyz/swap/swap
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The latest @coinbase Verified Pools app is built with OnchainKit component. 💧💫
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Our landing page just got an upgrade 💫
We're not stopping until we become the best toolkit to build apps onchain.
Get started now: onchainkit.xyz
npm install @ coinbase/onchainkit
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Wallet Island just leveled up on mobile 🌴 ✨
Keep users hooked with seamless onboarding, effortless onramp, quick swaps, and real-time token balances—all within your app.
Start now: onchainkit.xyz/wallet/wallet…
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App Template is the most requested features by developers.
There you have it:
- Onchain SSO (sign up/log in)
- Smart Wallet + RainbowKit integration
- Gasless mints powered by 4337
- Paymaster integration
All powered by @OnchainKit components.
onchain-app-template.vercel.…
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Onchainkit on a billboard!
Today we made our first stop in NYC to help onboard users to @base with a billboard using the @onchainkit!
The QR code takes you to our website where you can buy our token through the @coinbase smart wallet in the matter of seconds.
This is just the beginning! Stay based 💙
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OnchainKit now supports installation guide in NextJs, Vite, Remix, and Astro.
We're building an onchain library for all app developers. 💫
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Our Transaction component just got an upgrade 💫
+ Batch multiple transactions
+ Mix calls & contracts seamlessly
+ Smarter state management
+ More granular customization
Try now: onchainkit.xyz/transaction/t…
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We built MiniKit to make it easier than ever to ship mini apps.
Check out some of our favorite examples, all built with MiniKit:
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OnchainKit v0.38.10 is here! 🥳
What’s new:
❎ Removed the manifest prompt during the create-onchain process
🛠️ Fixed Basenames resolution
💡 Cached default wagmi config to prevent account disconnects when OnchainKit rerenders
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Someone built an onchain Facebook with @onchainkit 🤯
I just made my first post on @MySphereAI , first a'la facebook app on base and many more tools 👏
You can now test SPHERE in beta 0.9.1 version :
mysphere-beta.vercel.app/
Claim your basename and make your first post on #SPHERE !
Built On @base with @OnchainKit
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Our Wallet component just got some fresh upgrades ✨
+ Dynamic mobile UI
+ Basename integration
+ Wallet funding options
+ Wallet aggregator integration
Step by step, we want to become the default way to integrate onchain SSO in your app.
onchainkit.xyz/wallet/wallet
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We want to power your community.
Check out this amazing build from Tina @fkpxls for the Mochi community! 🐱 It showcases the power of @OnchainKit's new app and swap component and will make getting involved with MOCHI easier than ever before.
Working on getting this implemented ASAP 💙 Very based. ⬇️
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Quick Friday drop from @onchainkit ⚡
<Socials />
Overcome the cold start problem of your app.
Retrieve a wallet's social accounts in seconds and enhance your user's profile.
Start now: onchainkit.xyz/identity/soci…
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Introducing Defaults 🍬
`v0.33.4`
We've added default implementations of our most popular components to make them even more lightweight.
See the side-by-side comparison.
Left → Default Swap Component
Right → Full Swap Component
Start building: onchainkit.xyz
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Fork our template and make it your own: onchain-commerce-template.ve…
Spin up your dream onchain storefront in minutes.
Join the movement to accept USDC.
Ready to be deployed on @vercel.
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Building with @onchainkit is about getting 1% better everyday.
Well, sometimes much better.
<Transaction /> live on onchainkit.xyz
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Every community should get the token directly onsite, powered by smart wallet & swap component.
You can buy $KEYCAT DIRECTLY ON THE SITE using the Coinbase smart wallet
@OnchainKit @WilsonCusack thanks for making this possible!
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A new @OnchainKit component spotted Coinbase Earnings page.
The first public company with a live mint on their IR page?
Be a part of the moment: investor.coinbase.com/events…
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Haven't used OnchainKit in a while?
We've shipped a ton of improvements and it's easier than ever to catch up with our AI powered docs:
We just gave the @base docs AI superpowers:
- ai chatbot trained on all docs
- ai enabled search
- open pages directly in ChatGPT or Claude
- docs mcp server to pipe context directly into your IDE
I walk you through the details in this quick video
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New component drop: Wallets by @Onchainkit
Embed beautiful log-in/sign-up experience for your app.
+ Smart Wallet creation and connection in seconds
+ Built-in ENS support
+ Configurable dropdown menu
+ Easy Paymaster integration
Get started: onchainkit.xyz/wallet/wallet
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Learn how to vibe code like a pro:
High quality AI outputs require high quality prompts.
@sohey_eth put together an effective prompting guide designed to improve your collaboration with AI.
It covers everything from context windows to Cursor rules, including a guide on advance prompting for experienced builders
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New update: EIP-5792 support ✨
`v0.31.4`
OnchainKit can now dynamically adapt its behavior based on the connected wallet's capabilities.
If we detect your users have a smart wallet, we can automatically enable:
+ Atomic batch transactions
+ Auxiliary funds
+ Paymaster
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Integrate Basename into your app to get a fresh upgrade 🌿✨
🟣 Excited to announce that Basenames are now integrated into the Fit Club app!
Thanks to @OnchainKit for making it smooth and easy! 💜
More updates on the way, stay fit. 🏋️♀️🏋️♂️
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Our Mint Component has smart defaults with ultimate control ⚡
+ Automatic media type detection
+ Built-in price feeds
+ Transaction lifecycle management
+ Override any part you need
Keep what works for you, customize what doesn't.
Start now: onchainkit.xyz/mint/nft-mint…
Introducing Mint Component —
Embed mints in your app in 15 minutes. 🖼️
Bring your NFT contract. That's it.
Start now: onchainkit.xyz/mint/nft-mint…
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OnchainKit v0.38.14 is here! 🥳
What's new:
💨 New minikit hooks for improved UX
🔗 Wallet connect component now auto connects
🤝 Works with Next.js 15 & the latest @farcaster_xyz SDK
Guess who just had a a huge upgrade!
@OnchainKit
Wallet component now auto-connects - for both @CoinbaseWallet & @farcaster_xyz (for better ux)
📦 Now shipping with Next.js 15
Minikit now has some new hooks:
useIsInMiniApp - no more guessing if you're in a mini app
useViewCast - jump straight to any cast
useComposeCast - preset the composer, save users time
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The integration takes less than 15 minutes.
1. Create a Coinbase Commerce account
2. Create a product
3. Install @onchainkit `npm i @ coinbase/onchainkit`
4. Import the <Checkout /> component
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We're going to launch and announce a series of components that make bringing in onchain agentic features easy for your app.
Please share feedback with us as we continue to experiment the frontier of what's possible.
Our DMs are open 📧
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Introducing new component: Swap by @Onchainkit
Embed fully-functional swap functionality in your application in 15 minutes.
+ Built-in backend integration via @CoinbaseDev
+ Flexible styling and configurations
+ Smart Wallet compatible
onchainkit.xyz/swap/swap
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A Coinbase systems upgrade is scheduled for 7am PT on Saturday, July 19. Expected duration: 3 hours.
OnchainKit's fund component may see some errors during this time; We appreciate your patience.
Coinbase is set to undergo a system-wide scheduled upgrade at approximately 7:00 AM PT on Saturday, August 2. We expect this to take approximately three hours, subject to change.
During this period, CDP Onramp & Offramp UIs and Quote APIs will be unavailable. Funding and quoting for CDP wallets will also be unavailable. Onramp & Offramp transaction status APIs & all other CDP products will remain available. We appreciate your patience.
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💨 soooo fast
💨 Base is 10x faster, but today… I was 10x slower. 😭
I missed the #baseflash deadline by just 1 hour, which means my submission didn’t make it. And that’s a shame, because my app was built to perfectly showcase the speed difference between regular blocks and FLASHBLOCKS on @base sepolia – proving just how insanely fast transactions can land.
But hey, even if I’m too slow for the contest, at least my app is fast! 😆 Check it out:
👉 base-is-10x-faster.vercel.ap…
PS: If Base is really 10x faster, maybe you guys could roll back time just a tiny bit? ⏳👀 @base @DistributedMarz @ferranbt @neodaoist
#flashblocks #10xFaster #base
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If you haven't integrated @onchainkit into your app, why not?
Watch me integrate @OnchainKit into my personal project to enable wallet connections in 5 minutes.
kudos to the team for such an awesome tooling!
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Introducing Playground 🛝 ✨
Playground is where you can experiment with features that are still under development.
We open sourced it to showcase how we battle test our components.
onchainkit.xyz/playground
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Build your own app selling coffee and merch at your local community.
Experience the power of low fee, instant payment.
Every new component @onchainkit comes with a demo app
This is "Just Another Coffee App"
Only onchain coffee can be this cheap. ☕️☕️
Fork and sell your own coffee or merch at Devcon:
github.com/fakepixels/buy-me…
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Perfect for:
+ Wallet funding or token purchases
+ Token community streamline onboarding
+ Consumer apps aiming to lower barriers for crypto adoption
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Our installation just got easier. ✨ ⚡
Wrap one provider. That's it.
Cleaner code. Shorter set up time.
Try it now: onchainkit.xyz/getting-start…
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We're partnering with @Replit for an easy to deploy template:
+ Frontend: replit.com/@alissacrane1/onc…
+ Backend: replit.com/@alissacrane1/onc…
Fork on Github and make it yours: github.com/coinbase/onchain-…
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A live demo app using Wallet Island: onchainkit-wallet-island-dem…
Github: github.com/brendan-defi/ock-…
You can see all the possible configurations of our <Wallet /> component.
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You also get access to:
+ Merchant tooling: See trends, generate reports, and make data-driven decisions.
+Receipts: Enable your customers to easily generate an email receipt for their purchase.
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OnchainKit now supports Twoslash 🥷🏻
Enjoy better inline type information and improved DevX for everyone using our toolkit.
No more guessing about types or jumping between files.
onchainkit.xyz/getting-start…
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Checkout is built for:
+ Merchants selling with crypto
+ In-game or in-app stores
+ Token or NFT communities with an eComm twist
And more ++
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Why build with MiniKit?
• Ship across clients with one unified SDK
• Build apps with minimal knowledge of the Frames SDK
• Use @OnchainKit components out of the box with MiniKit
• CLI tool for quick project scaffolding with webhooks and notifications
Try it yourself with one of our demo apps: github.com/fakepixels/minima…
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If you have more feedback or ideas for our developer experience, submit an issue to our Github.
github.com/coinbase/onchaink…
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Agent Playground is powered by the latest AgentKit by @CoinbaseDev
Introducing Agentkit: A production-ready, model-agnostic framework for building AI agents with infinite onchain and web2 functionality, powered by @coinbaseDev and @langchain
Based Agents on @base were just the beginning. its time to change the way we interact onchain. 🧵
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We're proudly powering @rushtradingx's swaps.
Rush is LIVE
We’re making it possible for you to degen responsibly on @base
Launch, trade, and lend easily on Rush!
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Swap component in the wild 👀
Amazing demo by @0xRishi
continued exploring onchain development this weekend
this time hacking on @base with @Onchainkit ☀️
the @Onchainkit swap component really is that easy to drop in
→ made basedcoins.fun 🔵 as a place to view/trade the base ecosystem list from @CoinMarketCap
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You can customize the objective of an agent through prompts.
The agent module provides functions to interact with the on-chain agent.
- `initialize_agent`: Creates or loads an agent from CDP Wallet Data.
- `run_agent`: Invokes the agent.
- `handle_action_agent`: Manages agent actions.
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To start: npx create-onchain@alpha --mini
Let MiniKit cook 👨🍳
Transform your app today and give our github repo a ⭐️
github.com/coinbase/onchaink…
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A great demo on how to use the <Checkout /> component with rich order metadata, inventory management, and custom logic. 💫
OnchainKit's Checkout component offers way more than meets the eye:
👉 Add metadata for personalized orders
📊 Manage inventory with Airtable
⚙️ Build seamless logic for onchain apps
I’m releasing demo apps to show just how powerful it is—starting with onchain ticketing.
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Beautiful implementation of our Buy component ⚡️
merry xmas 🐬✨ the dolphin team is cooking
just shipped the buy feature powered by @OnchainKit
now you can buy $DOLPHIN via apple pay, credit card, or coinbase smart-wallet in just a few taps — directly on dolphin.now
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The fastest way from ideation to production.
Start now: onchainkit.xyz
4/ Legality. Use @coinbase and build on @base! The fact that your project is built on infrastructure developed by a known PUBLIC COMPANY with capitalization x and user base y is a strong argument. This is the truth, right now, there’s no other company like Coinbase offering the infrastructure, services, and tools to build and/or transition onchain. If you have an idea, a plan, and want to implement onchain in your business, you’ll quickly find that all necessary tools are ready for you: @coinbase, @base, @CoinbaseWallet, @OnchainKit
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Agent Playground is perfect for:
+ AI researchers exploring AI agents in an onchain financial sandbox
+ Onchain devs building agentic systems to deploy contracts
+ App developers testing innovative ways to incorporate agentic UX
Wallet and NFT
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Proud to be powering a part of the ColorPunks experience by @mykcryptodev.
Now minted out ⚡️⚡️⚡️
colorpunks.com
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For a simple "buy me a coffee" checkout experience, simply insert your `productId` in the parent component as a prop.
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Demo app: buy-component-demo.vercel.ap…
Github: github.com/fakepixels/buy-co…
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eComm onchain made easy with @OnchainKit 🛍️
LIVE: Shopping’s on chain with Autonomous x @OnchainKit
Real-world buys are made easy for the @Base community to enjoy the best eCom experience.
Snap it up for your next SmartDesks, ErgoChairs and WorkPods - fast & secure 👇
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it could be your mini app
you just need to start building
onchain kit dot xyz is waiting for you
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Can't believe it's been a week since we went live with TokenKit.
TokenKit enables you to create magical user experiences with Token components and utilities.
Like building your own wallet app in minutes.
onchainkit.xyz
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Why Earn?
+ Passive income: allow users to earn yield on USDC and other tokens.
+ Value-added services: opening up new monetization avenues.
+ Daily interaction: frequent updates boost engagement.
+ User retention: active funds increase retention and value.
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Hack with OnchainKit and AgentKit at DevCon if you're here:
ethglobal.com/events/bangkok…
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If you have more feedback or ideas for our developer experience, submit an issue to our Github.
github.com/coinbase/onchaink…
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You can now copy our code blocks directly from our docs site.
Get start now: onchainkit.xyz/getting-start…
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We're here to increase the total addressable market of builders.
FYI, I'm not a software engineer but I do code in academia with MATLAB and it was super easy to implement the @OnchainKit Fund component to @basedtangcat's website. The next component I would like to see is an asset bridge!
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We're now live on Base.org 💫
Build the future of onchain with us.
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A live demo app using the Earn Component: ock-earn-demo.vercel.app
Github: github.com/fakepixels/ock-ea…
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You can use our `LifecycleStatus` and the `onStatus` prop to listen to transaction states to build more advanced in-app logic.
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1. Install OnchainKit (npm i @ coinbase/onchainkit)
2. Import <Buy />
3. Select your token of choice
No extra components required — we’ve refactored for simplicity. 🪄
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For programmatic charge creations such as a shopping-cart experience, use server-side charges with Coinbase Commerce API.
We expose a chargeHandler prop which takes a callback that is invoked every time the button is clicked.
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PSA: the component works with both EOA and Smart Wallets :~)
One button, any transaction – powered by @base.
Introducing new component: Transaction
+ Gasless, 4337-compatible transactions
+ Real-time status updates
+ Smart gas estimation
+ Toast notifications
+ Fully customizable UI
Get started: onchainkit.xyz/transaction/t…
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Checkout component: accept USDC payments with one-click checkout.
Introducing Checkout —
Accept USDC payments with one-click checkout. 🛍️
+ Low fees
+ No gas. No crypto jargon.
+ Instant settlement
+ Global reach
+ Fully customizable
Start now: onchainkit.xyz/checkout/chec…
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