Building x402-Native AI Agents with Coinbase AgentKit + PayWatcher How to build an AI agent that sends and verifies USDC payments autonomously — no API keys, no custodians, no manual steps.

New article: building x402-native AI agents with Coinbase AgentKit + PayWatcher.

AgentKit + x402 + PayWatcher = autonomous USDC payment verification in ~20 lines. No API key, testnet-first.

paragraph.com/@paywatcher/...

#AgentKit #x402 #Base #buildingInPublic #coinbase

PayWatcher MCP Server is live.

AI agents can verify USDC payments on Base directly from their workflow. No API key, no account — x402 payment is the authentication.

api.paywatcher.dev/mcp
docs: paywatcher.dev/docs/mcp-ser...

#x402 #MCP #Base #stablecoins #buildingInPublic

Building PayWatcher: x402-native USDC Payment Verification on Base We've been quietly shipping for the past few months. Here's what PayWatcher is and why we built it on Base.

Built USDC payment verification in production on Base.

No % cut. No custody. $0.05 flat per verification.

x402 native — AI agents can verify payments without an API key.

Full Story:
paragraph.com/@paywatcher/...

#Base #x402 #stablecoins #buildingInPublic

Why Payment Verification Should Be Separate from Payment Processing When developers need to accept USDC payments, they reach for a payment processor. Coinbase Commerce. Stripe Crypto. Request Network. These products handle the full stack: checkout UI, custody, settlem...

Most payment processors charge a % of every USDC transfer. That makes no sense.

You don't need a middleman — you just need to know the payment arrived.

#x402 #stablecoins #Base #PayWatcher

paragraph.com/@paywatcher/...

Tally - Raise capital confidently Tally is the platform to launch tokens, raise capital, and scale. Faster, cheaper, and more globally accessible than IPOs or venture rounds.

Tally (tally.xyz) is shutting down end of March.

We were using their API ourselves. So we built a replacement.

Multi-source governance data API — 53 DAOs, free tier,
no single point of failure.

Full writeup 👇
paragraph.com/@0xa68cdeb86...

#DAOGovernance #Web3 #Arbitrum

Tally - Raise capital confidently Tally is the platform to launch tokens, raise capital, and scale. Faster, cheaper, and more globally accessible than IPOs or venture rounds.

tally.xyz shuts down!

Curious what people are planning to use instead — querying on-chain directly, Agora, Boardroom, something else entirely? 💬
news.ycombinator.com/item?id=4755...

#daos #daogovernance #web3 #dgi @arbitrum.bsky.social

Tally is shutting down.

Your governance data doesn't have to.

ChainSights Governance Data API covers delegate data,
GVS scores, and governance indices — multi-source,
no single point of failure.

Free tier, no credit card.

chainsights.one/developers

#DAOGovernance #Arbitrum #Web3

Arbitrum Delegate Concentration: The Numbers Behind the Power Asymmetry TL;DRArbitrum governance power is structurally concentrated in a small set of large wallets, not broadly distributed across the community.40% of the top 20 delegates are pure self-delegations, with ef...

8 of Arbitrum's top 20 delegates have exactly 1 delegator — themselves.

Zero accountability by design.

We measured the concentration data nobody was quantifying.

Joint research with MconnectDAO
Data by chainsights.one

Full analysis 👇
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#DAOGovernance #Arbitrum #Web3

How to Verify USDC Payments on Base Without a Payment Processor The Problem Nobody Talks AboutYou want to accept a $10,000 USDC payment. You have two options: Option A: Integrate a payment processor like Coinbase Commerce. Set up an account, embed their checkout w...

How to Verify USDC Payments on Base Without a Payment Processor paragraph.com/@paywatcher/...

#web3 #stablecoins #dev #crypto

PayWatcher — Stablecoin Payment Verification API Verify USDC payments without custody. $0.05 per verification, non-custodial, built for developers.

We just shipped PayWatcher — payment verification for USDC on Base.

$0.05 flat. Non-custodial. You keep 100%.

Live now → paywatcher.dev

Looking for devs building on Base who accept USDC. Free tier available.

#BuildOnBase #Base #USDC #Stablecoins #Web3 #DevTools #Payments