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Building a Real Estate App? Here's the Complete API Stack You'll Need
Actually building a live real estate application quickly becomes a challenge after initially appearing simplistic. There are a few reasons behind this…
Your agent can't safely read a web page it hasn't read yet
TL;DR GET https://api.trustsource.cc/safefetch?url=<percent-encoded-url> You get back: sanitized page text plus a SAFE / REVIEW / BLOCK prompt-i…
Scraping platform costs: measure successful rows, not browser minutes
A scraping job usually fails in boring ways: the browser hangs, a selector starts returning empty strings, a login expires, or the target site returns…
Stop Testing New AI Models in Production
A new AI model appears. The benchmark looks strong. The context window is larger. The price is attractive. So someone changes one configuration value …
We Tried to Beat Cloudflare With Proxies and TLS Tricks. Here's What Actually Failed.
Most advice about scraping Cloudflare-fronted sites is asserted, not measured. "Use residential IPs." "Match Chrome's JA3." People repeat these like f…
Picking a text-to-image API for a SaaS app: REST, pricing, and safety
If you just want the recommendation: call a plain REST image generation endpoint from your Node.js backend, keep the prompt-in / image-out path as dum…
Passkeys Explained Simply
You’ve probably seen that little prompt that says “Sign in with Face ID” or “Use a passkey” instead of the traditional password field. That’s a passke…
Why Sanity is the Best CMS for the Healthcare Industry
Introduction The medical industry demands a unique blend of precision, security, and adaptability in content management systems (CMS). From clinical r…
Receiving webhooks without getting burned
Sending a webhook is easy. You POST some JSON at a URL and move on. Receiving one is where the bodies are buried. The endpoint is public, so anyone ca…
Our API docs told AI agents to do the exact thing that fails
We run a helpdesk that AI agents can operate over MCP: list tickets, read a thread, draft a reply for a human to approve. Last week a real agent paid …
I tried to build an Apple Shortcut from code. Apple said no, four times.
We have a REST API. Apple has Shortcuts, an automation app that can send HTTP requests. Wiring one to the other looked like a free win: "Hey Siri, pub…
Turn any PDF into clean Markdown with a self-hosted Docling API
Turn any PDF into clean Markdown with a self-hosted Docling API I kept hitting the same wall building LLM pipelines: PDFs are where clean data goes to…
Three App Store Connect API Hard Limits That Only Bite at a Fast Release Cadence
Originally published on hexisteme notes . I shipped seven versions of my apps in thirty days by scripting the App Store Connect API end to end — build…
The 40x Traffic Spike From One Partner: What Token-Bucket Rate Limiting Actually Buys You
One of our integration partners pushed a firmware update to their fleet of devices, and every device in that fleet decided to sync at once. Our API re…
idemkit: make any Python operation safe to retry (HTTP, queues, functions)
A few years ago, I spent about a month cleaning up duplicate charges. Every service involved already had idempotency "handled": the client sends an Id…
Building a Visual Changelog for Your Web App
You ship a frontend change, merge the PR, deploy to production. Two days later your PM asks "what exactly changed on the pricing page last Tuesday?" a…
How to Monitor a YouTube Playlist Without Scraping the Page
A YouTube playlist can look healthy today and silently lose useful context later. A video becomes private, an upload is deleted, a viewer restriction …
Are duplicate keys valid in JSON? What RFC 8259 actually says
RFC 8259 says object names SHOULD be unique — so duplicates are legal but the behavior is unpredictable. See which value each parser keeps, how to rej…
Nami RPC in Solon: Calling Remote Services Like Local Beans
The first time I wrote an RPC client in a Java project, I ended up with a hand-rolled HTTP wrapper, a pile of ObjectMapper calls, and a helper class n…
Fetching Instagram Data Concurrently in Python with HikerAPI
When I started collecting at , a simple sequential loop quickly became the bottleneck. Even if each request only takes a fraction of a second, hundred…
Building an embeddable calculator widget from a REST API: how ReceiptEdit ships sales tax as an iframe
Continuing the open sales-tax dataset thread — the useful trick I did not think would matter as much as it did: shipping the data as an embeddable ifr…
One AI assistant for every messaging app you use — Telegram, Discord, WhatsApp, Slack & 29 more — with real memory and your choice of 13 LLM providers.
I built a local-first personal AI gateway that connects 32 messaging platforms to 13 LLM providers — NeuralCleave Amit Chandra Amit Chandra Amit Chand…
Designing an Idempotent Transaction API: Preventing Duplicate Financial Operations
In financial backend systems, network retries represent a classic race-condition vector. If a client attempts to post a transaction, suffers a TCP tim…
Build a Cross-Border Crypto Payment Stack for Digital Sellers
Most developers think about cross-border payments as a checkout problem. A buyer is in one country. A seller is in another country. The seller wants t…
How to Connect Claude to the dev.to API and Build a Reusable Skill
MCP (Model Context Protocol) connectors extend Claude's reach into external services, but connector coverage is uneven across platforms. dev.to is one…
Auto-Locate Nearby Golf Courses on Your Map Using IP Geolocation
webdev #python #javascript #maps #api #geolocation #golf #rapidapi #showhn A recent Show HN project mapped every US golf course—16,000+ of them, free,…
A Secure Framework for Exposing SaaS Data to Your Data Lake
How to pull large volumes of data out of any enterprise SaaS platform — safely, repeatably, and without a single write permission. Every enterprise ru…
Claude Opus 5 leads on agentic work — and undercuts Fable 5 on cost
Claude Opus 5 is out, and Artificial Analysis — who supported Anthropic's pre-release evaluation — just dropped their full benchmark breakdown. The he…