PayWatcher
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paywatcher.bsky.social
PayWatcher
@paywatcher.bsky.social
8 followers 31 following 5 posts
The missing API between "sent" and "confirmed." Verification-only. Non-custodial. $0.05 flat. USDC · Base 🔨
https://paywatcher.dev
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paywatcher.bsky.social
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
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.
paragraph.com
April 16, 2026 at 1:55 PM
paywatcher.bsky.social
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
April 14, 2026 at 1:16 PM
Reposted by PayWatcher
semp-re.bsky.social
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
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.
paragraph.com
April 13, 2026 at 5:50 AM
paywatcher.bsky.social
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/...
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...
paragraph.com
April 13, 2026 at 5:06 AM
Reposted by PayWatcher
semp-re.bsky.social
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
March 28, 2026 at 12:40 PM
Reposted by PayWatcher
chainsights-one.bsky.social
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 - 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
March 28, 2026 at 10:55 AM
Reposted by PayWatcher
chainsights-one.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
March 27, 2026 at 1:49 PM
Reposted by PayWatcher
chainsights-one.bsky.social
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 👇
paragraph.com/@0x2603ea2e2...

#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...
paragraph.com
March 26, 2026 at 4:55 PM
paywatcher.bsky.social
How to Verify USDC Payments on Base Without a Payment Processor paragraph.com/@paywatcher/...

#web3 #stablecoins #dev #crypto
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...
paragraph.com
February 22, 2026 at 7:29 AM
paywatcher.bsky.social
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
PayWatcher — Stablecoin Payment Verification API
Verify USDC payments without custody. $0.05 per verification, non-custodial, built for developers.
paywatcher.dev
February 21, 2026 at 7:35 PM