newsletter
FinTekCafe Weekly: Own the Interface, Own the Outcome
This issue: the agent protocol land grab, shadow AI governance that works, model routing as the biggest cost lever, and the card networks' stablecoin defense.
newsletter
FinTekCafe Weekly: Who Controls What You Depend On
This issue: the six-layer AI build versus buy decision, agent payments landing in receivables, the talent barbell, and who really controls your inference.
newsletter
FinTekCafe Weekly: Attack Your Own System First
This issue: red-teaming AI before it ships, the AI incident response playbook, the enterprise browser land grab, and what open weights do to pricing power.
newsletter
FinTekCafe Weekly: Who Holds the Risk
This week: pricing AI end to end, what agents really do to org charts, sovereign cloud honestly assessed, and who is liable at your checkout.
newsletter
FinTekCafe Weekly: Who Pays, and Who Decides
This week: scoring AI vendors before you buy, the death of seat pricing, who really pays interchange, and the bid to take PayPal private.
newsletter
FinTekCafe Weekly: The Asset You Cannot Rent
This week: the AI moat you cannot rent, an agent readiness maturity model, cloud repatriation math, and what payments become when the buyer is an AI.
newsletter
FinTekCafe Weekly: The Layer in the Middle
This week: the guardrail layer LLM features are missing, a production AI reference architecture, who profits in BaaS, and why prompt engineering died.
newsletter
FinTekCafe Weekly: The Bill You Are Not Measuring
This week: testing LLM outputs before they fail, the real cost of model lock-in, lakehouse vs warehouse, why AI breaks FinOps, pay-by-bank, and real-time treasury.
newsletter
FinTekCafe Weekly: When Bigger Stops Winning
This week: when small models beat frontier ones, the coming GPU glut, why banks build their own rails, fraud in milliseconds, and the AI coding wall.
newsletter
FinTekCafe Weekly: The Year AI Got Repriced
This week: which AI agents actually ship, the coming ML salary correction, shadow AI out of control, stablecoins as bank rails, and embedded finance.
newsletter
FinTekCafe Weekly: The Hidden Costs Hiding in Plain Sight
This week: the LLM bill nobody budgeted for, BNPL hits the bureaus, US open banking goes live, Postgres everywhere, and RAG vs fine-tuning.
newsletter
FinTekCafe Weekly: RAG Architecture, FedNow Friction, and Why Agent Frameworks Keep Breaking
This week: RAG architecture and costs, service mesh in 2026, ISO 20022 stack impact, plus three Pro pieces on FedNow, AI agent frameworks, and confidential computing.
What We Cover
Deep analysis across the systems, strategies, and economics that shape modern technology.
AI & Intelligent Systems
LLMs, AI strategy, and intelligent automation
Infrastructure & Architecture
Cloud platforms, APIs, and system design
Financial & Regulated Systems
Payment rails, settlement, and regulated infrastructure
Strategy & Economics
Build vs buy, cost curves, and competitive dynamics
Risk & Regulation
Compliance, governance, and regulatory strategy
Product & Decision Frameworks
Frameworks for product decisions and roadmaps
Premium Intelligence for Technology Leaders
Premium Members Get: Exclusive deep-dive research · Architecture playbooks · Executive briefings · Full archive access