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Postgres as the Everything Database: When Consolidation Works and When It Breaks
technology

Postgres as the Everything Database: When Consolidation Works and When It Breaks

Postgres is replacing vector stores, queues, document databases, and search clusters. Where each substitution holds, where it breaks, and the switch triggers.

26 Aug 2026 13 min read
PREMIUM
The AI Memory Layer: Why Context Persistence Is the Next Lock-In
ai

The AI Memory Layer: Why Context Persistence Is the Next Lock-In

Models are commodities. The accumulated context a vendor holds about your organization is not, and it is becoming the stickiest layer in the AI stack.

25 Aug 2026 12 min read
Agent Observability: How to Trace, Evaluate, and Debug AI Agents in Production
ai

Agent Observability: How to Trace, Evaluate, and Debug AI Agents in Production

Classic LLM observability breaks for agents. The telemetry model, four failure classes, trajectory evaluation, and a build order a platform team can ship.

24 Aug 2026 13 min read
AI Agent Identity: How Enterprises Authenticate and Authorize Non-Human Actors
ai

AI Agent Identity: How Enterprises Authenticate and Authorize Non-Human Actors

Why API keys break for AI agents, the delegation patterns replacing them, how to scope authorization, and the audit trail attribution requires.

24 Aug 2026 13 min read
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.

23 Aug 2026 4 min read
PREMIUM
The SaaS Gross Margin Squeeze: AI COGS Are Breaking the Eighty Percent Model
technology

The SaaS Gross Margin Squeeze: AI COGS Are Breaking the Eighty Percent Model

Inference is a real, usage-scaling cost of goods sold. It is pulling software gross margins toward infrastructure territory, and buyers pay for it either way.

22 Aug 2026 11 min read
Virtual Cards in B2B Payments: How Single-Use Numbers Fix Corporate Spend
finance

Virtual Cards in B2B Payments: How Single-Use Numbers Fix Corporate Spend

How virtual cards work in B2B payments: issuance, control types, rebate economics, the supplier acceptance problem, and where they beat ACH.

21 Aug 2026 12 min read
PREMIUM
The Card Networks' Stablecoin Defense: Co-opt, Contain, Collect
finance

The Card Networks' Stablecoin Defense: Co-opt, Contain, Collect

Stablecoins were supposed to disintermediate the card networks. Instead Visa and Mastercard are running an incumbent defense: co-opt, contain, collect.

20 Aug 2026 11 min read
Data Contracts: The Missing Interface Between Data Producers and Consumers
technology

Data Contracts: The Missing Interface Between Data Producers and Consumers

What a data contract contains, where enforcement lives, how it differs from a catalog, a pragmatic adoption sequence, and the failure modes to avoid.

19 Aug 2026 13 min read
PREMIUM
The Agent Protocol Land Grab: Why Interop Standards Are the New Platform War
ai

The Agent Protocol Land Grab: Why Interop Standards Are the New Platform War

Agent interop standards are not neutral plumbing. Whoever owns the protocol layer between agents and enterprise systems owns the distribution chokepoint.

18 Aug 2026 12 min read
LLM Model Routing in Production: When to Send a Query to a Small Model
ai

LLM Model Routing in Production: When to Send a Query to a Small Model

Route 60-80 percent of production traffic to small models with a quality fallback. The four routing architectures, the eval signals, and the failure modes.

17 Aug 2026 14 min read
Shadow AI: How Unsanctioned Tools Spread and What Governance Actually Works
ai

Shadow AI: How Unsanctioned Tools Spread and What Governance Actually Works

Shadow AI explained: the three exposure classes, why bans fail, how to detect unsanctioned tools, and the tiered governance model that survives contact.

17 Aug 2026 13 min read
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