🚀 Announcing the Onchain Reputation API – now in Public Beta.

Unlock powerful insights into onchain addresses with scores ranging from -100 to +100, plus detailed metadata. Positive scores reflect strong onchain activity (like what you see at onchainscore.xyz), while negative scores flag potential risks using onchain and Coinbase data.

Here’s what you can do with Onchain Reputation:
→ Evaluate transaction trustworthiness with ease
→ Personalize experiences based on users’ crypto activity
→ Gamify and reward onchain engagement
→ And so much more

Check out how it powers tools like onchainscore.xyz or explore the API for yourself here: docs.cdp.coinbase.com/reputation/doc…

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More from @CoinbaseDev

Feb 11
Introducing Agentic Wallets, our first ever wallet infrastructure built specifically for autonomous agents.

Give your agent the power of a wallet. Let your agent manage funds, hold identity, and transact onchain without human intervention. 🧵 Image
Agentic Wallets give agents the primitives they need to operate independently:

→ Programmable spending policies
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→ Secure, permissioned execution
Agents can plug in financial skills out of the box: fund wallets, send payments, trade, and earn, without writing custom transaction logic.

Transactions are gasless with any token on @base, so agents never get blocked by fee management or missing ETH.
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Sep 9, 2025
Introducing the x402 Bazaar: The open, machine-readable discovery layer for x402.

Imagine a dynamic, vibrant ecosystem where specialized AI services, data feeds, and APIs can thrive. A search engine for agents.

This is how the machine economy gets bootstrapped. 🧵 Image
API providers: The x402 Bazaar means distribution.

List your x402 endpoint – its schema, price, a clear description – and suddenly, AI agents and developers building on x402 can find your service. This is how you tap into the coming agentic economy. Permissionless and open.
Developers and AI Agents: Your agent doesn't need pre-baked integrations for every service. It can query the Bazaar, find a service matching its requirements, and call it using x402. No keys, no pre-funding dozens of accounts.

Agents can become dynamic, autonomous entities
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May 6, 2025
We are excited to introduce x402–a new open source payments protocol built on HTTP rails.

Let’s break it down: Image
x402 is fixing the internet’s first mistake.

Onchain payments are now easy and frictionless, opening new use cases for agentic commerce for API providers, context retrieval protocols, content creators, and more.
First, a little history:

HTTP 402 “Payment Required” has been a part of the internet’s blueprint for decades, but it was never used.

x402 turns this 402 status code into a real payment layer—letting any server request payment, and any client (human or agent) respond with digital dollars, i.e. stablecoins like USDC.
Read 9 tweets
Apr 18, 2025
AgentKit is at the forefront of AI and crypto.

Read on to see how AgentKit stepped up smart autonomous agents interactions with blockchain tech—powered by 2k+ devs and 20k+ deployed agents.

New features, huge partnerships, and major milestones. 👇 Image
The stats so far:

→ Millions of X impressions from community posts, demo videos & product updates
→ 30+ presentations at industry events, podcasts & X Spaces
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→ 1.5k+ forks on our @Replit templates
→ 50+ third-party integrations
→ 120+ community contributions on GitHub
Here are our top 3 moments ↓

(1) Hackathon debuts:

AgentKit hit the ground running with its first hackathons—one at our own SF AI Hackathon and a hacker house at mtndao in Salt Lake City. Dev builds ranged from DeFi agents to AI governance tools.

We also shipped @Solana support at @mtndao—expanding beyond EVM.
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Mar 26, 2025
Exciting news, the CDP Affiliate Program is live via @fuul_xyz. Earn up to $300 for onboarding your first active developer to CDP, and they can earn up to $65 for building onchain.

Here’s everything you need to know. 🧵👇 Image
@fuul_xyz How affiliate rewards work:

→ Sign up for a @fuul_xyz account and generate a referral link
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What counts as a referred active developer?

A referred active dev must:
→ Sign up via your Fuul referral link and create a Fuul account
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Feb 23, 2024
You’ve probably heard of @eigenlayer by now.

The restaking protocol continues making waves as the ETH deposits pour in. Over the past week, its TVL has jumped to nearly $8B.

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What’s EigenLayer?

It’s a protocol designed to extend Ethereum's economic security (courtesy of ≈30M staked ETH, or nearly $88B) to secure a broader range of decentralized services.

It accomplishes this by introducing the novel concept of "restaking."
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But it also increases slashing risk as validators must opt in to new SLA agreements w/ each AVS.
Read 14 tweets

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