Mobile Payment Provider Abstraction from Day One
Build the wrapper before you have a paywall. Before paying users. Before you have finalised whether the paywall SDK behind it will be RevenueCat, Ad…
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Build the wrapper before you have a paywall. Before paying users. Before you have finalised whether the paywall SDK behind it will be RevenueCat, Ad…
Reconciliation broke twice a year for months before we found the pattern. Our settlement cutoff was defined as 23:00 local time, converted to UTC at…
Building backend systems for fintech is fundamentally different from almost any other domain. The stakes are absolute, the edge cases are catastroph…
The $65M Question: Why AI Agents Shouldn't Hold Private Keys Two weeks. $65M in funding. Catena raised $30M from a16z to build an "AI-native bank."…
Ran into this on a rental deposit flow: authorize at booking, capture at checkout, sometimes 10-12 days later. Visa releases an authorization hold a…
Twice a month somebody in operations finds a number that doesn't match. An order recorded at €120.00 against a capture of €119.40. Or an order with…
Ran into this on an order that split into two captures: warehouse shipped half the items same day, the rest three days later. Two captures against o…
Search for the best Telegram monetization platforms and you will usually see very different products grouped together as Telegram monetization tools…
A processor says a payment settled. Your product ledger shows the customer balance and fee entries. The bank account still has no matching credit. N…
Here's a line of code that looks completely reasonable: the moment a buyer's card is charged, credit the vendor's share to their payout balance. It'…
Designing Transaction Monitoring Dashboards for FinTech Operations A payment system can return successful API responses while transactions remain pe…
When you start working on modern payment infrastructure, moving money seems deceptively simple. A user initiates a payout. Your system calls a banki…
I pay dev contractors across a dozen-plus countries, and the one rail that works everywhere else — a plain international wire — reliably breaks for…
The one-year-old startup aims to reinvent financial architecture for autonomous AI transactions.
A customer finishes checkout and the payment provider sends their browser back to /success . Your app shows a green check. That is useful user exper…
On July 14, 2026, the Linux Foundation stood up the x402 Foundation — neutral governance for the protocol that lets AI agents pay each other over HT…
Disclosure up front: I'm Oded, co-founder of UniPaaS, the FCA-authorised Payment Institution (No. 929994) behind paas.build - so this is a vendor wr…
Last week I posted about a family of MCP servers that let AI agents accept payments — Pix in Brazil, UPI in India, GCash in the Philippines, PromptP…
This week, the AI agent economy got its first real security wake-up call. Researchers confirmed what many feared: AI agents are being successfully c…
If you're building a platform that sells digital goods, API access, data subscriptions, or any service an AI agent might buy programmatically, you'v…
Mastercard launched agent-to-agent payments this week. Circle's co-founder raised $30M for Catena Labs and is filing for a national bank charter. Me…
I worked on a marketplace where a connected account went negative, Stripe suspended its payouts, and refunds silently queued as pending — no error,…
Originally published on the Keylight blog . If you are an indie developer about to charge for an app, you have three names in front of you: Stripe,…
Visa announced this week that AI agents can now use credit cards. Mastercard launched a protocol for AI-to-AI payments and micropayments. Catena Lab…
India's cross-border digital commerce has expanded significantly over the past three years. Software exports, D2C brands shipping internationally, S…
There is a moment in security design when a single observation changes everything. NanoClaw 2.0 shipped recently with a capability that stops most d…