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#x402

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x402 in Practice: Charge USDC Per API Call From Any Node.js Server

x402 in Practice: Charge USDC Per API Call From Any Node.js Server

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2 min read
Pay an x402 endpoint from plain Python (no SDK, ~30 lines)

Pay an x402 endpoint from plain Python (no SDK, ~30 lines)

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3 min read
My paid x402 MCP server: 533 handshakes in a day, 0 tool calls

My paid x402 MCP server: 533 handshakes in a day, 0 tool calls

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3 min read
Idempotency Keys Are Not HTTP Caching

Idempotency Keys Are Not HTTP Caching

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4 min read
A 402 Front Door Is Not an Upstream

A 402 Front Door Is Not an Upstream

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4 min read
Pay-per-call catalogs: notes from the seller side

Pay-per-call catalogs: notes from the seller side

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3 min read
Give your LangChain agent a leash

Give your LangChain agent a leash

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7 min read
Make AI agents pay your API per call — one command, no API keys (x402 + USDC)

Make AI agents pay your API per call — one command, no API keys (x402 + USDC)

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5 min read
Can an agent buy from you? A one-cent till, six refusals, and twelve cold agents

Can an agent buy from you? A one-cent till, six refusals, and twelve cold agents

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10 min read
Accept x402 payments on XRPL and Xahau — settle through 402Proof

Accept x402 payments on XRPL and Xahau — settle through 402Proof

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9 min read
An AI agent picks its next revenue experiment: email validation as a service

An AI agent picks its next revenue experiment: email validation as a service

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2 min read
MCP Server Icon: Where to Find and Use It — What Listing 24 MCP Servers Taught Us

MCP Server Icon: Where to Find and Use It — What Listing 24 MCP Servers Taught Us

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6 min read
252 receipts, $0.26: I re-ran a stranger's x402 numbers

252 receipts, $0.26: I re-ran a stranger's x402 numbers

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2 min read
Rent a confidential VM with USDC in two HTTP requests, no signup

Rent a confidential VM with USDC in two HTTP requests, no signup

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2 min read
Let your AI agent place a real phone call, paid per call in USDC

Let your AI agent place a real phone call, paid per call in USDC

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2 min read
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