The Clink Journal
Field notes on payment infrastructure, billing, and the agent economy.
Long-form essays and product deep-dives from the team building Clink.
Clink Agent Wallet: Now Live on Familiar Card Rails | Clink
The Clink Agent Wallet is generally available: card-linked agent payments for Shopify checkout flows, APAC pickup, and per-use API purchases.
Read the announcement→Agent Payments & Wallets
Agent wallets, payment protocols, and where agents can pay today.AI Agent Payments: Agent-Native Transaction Rails | Clink
Browser sessions, 3DS, and CAPTCHAs break when the buyer is an LLM. Agent-native payments need scoped caps, browserless auth, and machine-readable audit—Clink for Claw is Early Access.
Read article→What Is an AI Agent Wallet? Two Families, One Map | Clink
An AI agent wallet lets an autonomous agent hold and spend money under human-set constraints. See the two wallet families and the guardrails they share.
Read article→AI Agent Payments Infrastructure: The 2026 Stack | Clink
AI agent payments infrastructure explained: wallets, controls, rails, acceptance, settlement — and how to choose card, stablecoin, or protocol rails.
Read article→AI Agent Spending Limits: Control Patterns That Work | Clink
AI agent spending limits turn autonomous purchases into controlled ones. See which control stops which failure mode, from budgets to approvals.
Read article→Clink Wallet vs Cloudflare Wallets: Two Paths | Clink
Clink Wallet vs Cloudflare Wallets: two paths to agent payments. Compare status, funding, guardrails, and merchant acceptance, as of September 2026.
Read article→Clink and Visa Partner on Intelligent Commerce | Clink
Clink and Visa bring Visa Intelligent Commerce to an agent wallet for Shopify, APAC pickup, and API products with user-controlled payments.
Read article→AP2 Agent Payments Protocol: Mandates and FIDO | Clink
AP2 is Google's open Agent Payments Protocol for verifiable AI agent transactions. Learn mandates, Human Not Present flows, and FIDO Alliance governance.
Read article→What Is x402 Agent Payments? HTTP 402 Protocol Explained | Clink
x402 is the open HTTP payment protocol for AI agents and APIs. Learn the 402 flow, facilitators, stablecoins, and Linux Foundation governance.
Read article→What Is Machine Payments Protocol MPP? Stripe Agent Rails | Clink
MPP is Stripe and Tempo's open HTTP standard for agent payments—402 challenges, Shared Payment Tokens, subscriptions, and stablecoin settlement.
Read article→What Is Agentic Commerce Protocol ACP? Instant Checkout | Clink
ACP is OpenAI and Stripe's open agent commerce standard—checkout APIs, delegated payment tokens, and product feeds for ChatGPT discovery.
Read article→Universal Commerce Protocol (UCP): Google & Shopify | Clink
UCP is Google and Shopify's open standard for agentic commerce—full-journey checkout, embedded payments, and multi-transport APIs.
Read article→How to Sell on ChatGPT in 2026: Merchant Setup Guide | Clink
Sell on ChatGPT via Shopify Agentic Storefronts, Etsy auto-sync, or an OpenAI product feed—discovery in chat, checkout on your site, and you stay merchant of record.
Read article→Agentic Commerce Channels: Supported List (2026) | Clink
A verified 2026 reference of agentic commerce agent channels—ChatGPT, Copilot, Gemini, messaging apps, and enterprise agents with live status and protocols.
Read article→Agentic Commerce Platforms & CMS: 2026 Reference | Clink
Agentic commerce supported platforms CMS in 2026: verified enablement paths for Shopify, Adobe, WooCommerce, Wix, 91APP, SHOPLINE, and custom stacks.
Read article→Agentic Commerce PSPs: Payment Processors (2026) | Clink
Agentic commerce supported PSP payment processors in 2026: Stripe ACS, Adyen Agentic, Worldpay, Nuvei, Antom, and more with live status, protocols, and regions.
Read article→Cloudflare Wallets: Guardrails for Agent Payments | Clink
Cloudflare Wallets and cloudflare.pay put identity and capped spend on the same rail. Here is what the guardrails pattern means for SaaS agentic commerce.
Read article→Stripe–OpenRouter $7B+: What It Means for Agent Payments | Clink
Bloomberg reports Stripe finalized a $7B+ deal for OpenRouter, the AI model router. Here is the timeline, strategic logic, and what SaaS teams should watch.
Read article→Payments & Billing
Payment models, merchant-of-record choices, and product guides.What Is Clink: AI-Native Payment Infrastructure | Clink
Clink is payment infrastructure that unifies subscription billing, multi-PSP smart routing, tax calculation, and Early Access agent payments—so global SaaS teams integrate once instead of stitching processors.
Read article→MoR vs PSP: Choosing Payment Infrastructure Models | Clink
Merchant of Record vs Payment Service Provider: a framework for SaaS teams weighing tax, brand ownership, routing control, and when a hybrid model beats a forced binary.
Read article→Smart Payment Routing: Multi-PSP Revenue Recovery | Clink
Single-PSP stacks leak recurring revenue through regional declines and soft failures. Smart multi-PSP routing with intelligent retry turns payment rails into a recoverable MRR lever.
Read article→Pay by Link: Fast, Temporary Payment Links for Any Deal | Clink
Clink's Pay by Link lets merchants generate a shareable, time-limited payment link right from the Dashboard. Enter an amount, currency, description, and payer email, and the link is ready to send.
Read article→What Is a Skill Marketplace? Agent Skills, Explained | Clink
What a skill marketplace is, how AI agents discover, install, and pay for skills, and how reviewed marketplaces compare with open catalogs.
Read article→Clink Launches Skill Marketplace: Monetize Agent Skills | Clink
Clink Skill Marketplace is live: publish reviewed agent skills and monetize them natively — settlement, credit recharge, and tips built into the payment platform.
Read article→AI Companies by ARR: The Absolute Revenue Leaderboard | Clink
Which AI companies earn the most? A ranked look at revenue run rates in August 2026—plus gross vs net accounting, lab vs app scope, and how to read the numbers honestly.
Read article→Fastest Growing AI Companies ARR: Velocity Ranked | Clink
Fastest growing AI companies by ARR velocity: who hit $100M fastest, sprint times to $500M/$1B, and what run-rate growth hides in retention and collection.
Read article→How to Add Payments to a Lovable App: Paddle, Stripe, or Clink
Add subscriptions and one-time payments to a Lovable app with built-in Paddle or Stripe—then graduate to Clink’s portable billing and clink-integ-skills when one provider is no longer enough.
Read article→Integrate Stripe with Lovable: Go-Live Guide | Clink
Integrate Stripe with Lovable using built-in Payments or legacy Supabase: chat setup, Payments tab, test cards, claim flow, go-live checklist, and pitfalls.
Read article→How to Add Payments to Bolt.new Apps: Stripe Built-in, Then Clink
Add subscriptions and one-time payments to a Bolt.new app with native Stripe via Settings, fix four webhook failure modes, then know when Clink is the next step.
Read article→How to Add Payments to v0 Apps: Stripe, Paddle Kit, Then Clink
Add payments to a v0 app with Vercel Marketplace Stripe key exchange or Paddle’s Starter Kit—plus the Next.js middleware webhook signature trap.
Read article→How to Add Payments to Replit Apps: Stripe, Whop, Then Clink
Add payments on Replit with Agent-driven Stripe, Whop for instant digital sales, or Clink when the paid gate and platform-tied billing become limits.
Read article→Stripe Risk
Disputes, chargebacks, account restrictions — and how to respond.What Is a Stripe Dispute? Chargebacks, Explained | Clink
What is a Stripe dispute? Learn chargeback vs inquiry terminology, money flow, Dashboard deadlines, reason codes, VAMP thresholds, and what merchants control.
Read article→How to Dispute Stripe Charge: Steps & Timelines | Clink
How to dispute stripe charge: identify descriptors, contact merchant vs bank, Reg E/Reg Z timelines, evidence checklist, and what happens after you file.
Read article→Stripe Chargeback Prevention: Win Representment | Clink
Stripe chargeback prevention for SaaS and e-commerce: Radar, 3DS, compelling evidence, early fraud warnings, subscription disputes, and when to fight vs accept.
Read article→Stripe Account Suspended or Frozen: First 72 Hours | Clink
Stripe account suspended, closed, or frozen? Learn restriction types, payout holds vs payment pauses, and a first-72-hour action checklist for SaaS founders.
Read article→Stripe Account Closed or Suspended: Common Triggers | Clink
Why Stripe closed my account? Ranked triggers—disputes, VAMP thresholds, volume spikes, KYC, restricted businesses—with official policy and merchant-report caveats.
Read article→Appeal a Closed Stripe Account: Documents & Outcomes | Clink
How to appeal Stripe account closed: dashboard steps, document checklist, email structure, 120-day hold timeline, and realistic outcomes.
Read article→Metrics Glossary
The SaaS finance metrics behind recurring revenue.What Is a Burn Rate? Definition, Formula, and Runway | Clink
A burn rate is how fast a company spends cash each month. Learn gross vs net burn, the runway formula, and why subscription revenue stability changes the math.
Read article→ARR Meaning: Annual Recurring Revenue, Explained | Clink
ARR meaning: the predictable subscription revenue a SaaS company expects in a year—with the formula, ARR vs MRR, and the data quality behind it.
Read article→What Is MRR? Monthly Recurring Revenue, Explained | Clink
MRR is the predictable monthly revenue a subscription business expects from active customers—with the formula, the four-part decomposition, and how MRR differs from ARR.
Read article→What Is NRR? Net Revenue Retention, Explained | Clink
NRR is the revenue a SaaS company retains from existing customers, including expansions, over a year. Learn the formula, why NRR above 100% matters, and NRR vs GRR.
Read article→What Is Runway? How Startup Cash Runway Works | Clink
Runway is how many months a startup can operate before running out of cash. Learn the formula, the 18–24 month rule, and why modeling it as a range matters.
Read article→Ready to consolidate your payment stack?
Talk to the Clink team about Global Payments, Smart Routing, Billing, and Clink for Claw — through a single API.
Discover Clink→