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When a dateTo filter silently excludes its own last day — and which government-data APIs actually do this

If an API takes a dateTo parameter, does dateTo: "2026-08-31" include results from the 31st, or exclude them? The honest answer is: it depends on wh…

webscrapingapiopendatajavascript
Dev.to Oct 20, 2026, 06:33 UTC
EN

DeepSeek V4.1-Flash-1017: Build a Search Workflow You Can Audit

A product researcher asks which API features a vendor added this week. Your application returns a fluent summary, but one item comes from an old ann…

aiapillmsearch
Dev.to Oct 20, 2026, 05:27 UTC
EN

17,651 subdomains, one server: what checking "is this job still open?" taught us

I run Job Opportunities API (JOA), a jobs API that only reads employers' own career sites and applicant-tracking systems. The hard part is not findi…

webdevapiscrapingdevops
Dev.to Oct 20, 2026, 03:34 UTC
EN

A Timeout Is Not a Failure. Your Platform Thinks It Is.

At the end of March, an accounts payable clerk at a supplier called Wei, the finance director of a 500-person equipment manufacturer, to ask a small…

lowcodeapiarchitectureenterprise
Dev.to Oct 20, 2026, 02:34 UTC
EN

Keep a federal contract snapshot bounded to one exact recipient

I maintain this Actor. This is an AI-assisted technical walkthrough checked against the installed source contract. A company-name search is a weak f…

apifydataengineeringapitutorial
Dev.to Oct 20, 2026, 01:31 UTC
EN

How We Designed a Viral Invitation System for AI Agents (K-Factor > 0.5)

Why Agent Communities Need Viral Growth (And How We're Building It) When you're building a community for AI agents, you can't just post ads and wait…

agentsaiapistartup
Dev.to Oct 20, 2026, 00:26 UTC
EN

LLM API Pricing: 375 Models Compared Across 137 Providers

Oct 20, 2026 You would expect that when 375 models are each served by at least two providers, the market would have found some pricing equilibrium.…

aiapillm
Dev.to Oct 20, 2026, 00:18 UTC
EN

How to track new FDA recalls with Python and the openFDA API

Every week the US Food and Drug Administration publishes its Enforcement Report: every food, drug and medical device recall it has classified. The o…

pythonapiopendatatutorial
Dev.to Oct 19, 2026, 18:30 UTC
EN

Group exact brand labels while keeping identity resolution explicit

I maintain this Actor. This is an AI-assisted technical walkthrough checked against the installed source contract. Grouping by brand name can be use…

apifydataengineeringapitutorial
Dev.to Oct 19, 2026, 18:19 UTC
EN

How to document error responses in FastAPI

FastAPI generates an OpenAPI schema for you, but by default it says almost nothing about how your API fails. This guide builds that part of the sche…

pythonfastapiapiopenapi
Dev.to Oct 19, 2026, 11:24 UTC
EN

Data Sovereignty and Open Architecture in Government Platforms: Design Principles

Designing digital platforms for the State comes with a constraint that barely exists in the private sector: today's technical decisions shape the so…

architectureapisecurity
Dev.to Oct 18, 2026, 23:27 UTC
EN

How to Generate Images in Claude Code (2026)

Claude Code is fantastic at writing code, fixing bugs, and explaining things. But ask it to draw you a picture and it'll politely tell you it can't…

aiapiclaudetutorial
Dev.to Oct 18, 2026, 21:32 UTC
EN

I asked 1,000 x402 endpoints to sell me something. 207 never quoted a price.

The Coinbase x402 discovery directory (the "Bazaar") lists 1,000 resources that are supposed to sell something to an agent. I wanted to know what ha…

apiwebdevcryptoopensource
Dev.to Oct 18, 2026, 20:31 UTC
EN

The seven most common x402 seller mistakes, and how to fix them

An x402 API asks for payment with an HTTP 402 Payment Required answer, and an AI agent pays it per call in stablecoins. That only works when the 402…

x402webdevapiai
Dev.to Oct 18, 2026, 20:29 UTC
EN

APIWatch: Checking API Traffic and Subscription Controls with WSO2 API Manager

I recently worked on a project called APIWatch using Python and WSO2 API Manager. It is a small monitoring tool that reads API traffic logs and help…

apibackendmonitoringpython
Dev.to Oct 18, 2026, 19:23 UTC
EN

Why Our AI Desktop Assistant Never Stores Model API Keys on Your Computer

Originally published on cernalo.com . Provider keys stay on the server. The desktop app sends a session and the context you choose, and the service…

aisecurityarchitectureapi
Dev.to Oct 18, 2026, 07:29 UTC
EN

ERP Development: API, Middleware or Direct Database Access?

If your ERP development plan needs new custom modules to talk to the ERP you already run, use the ERP's published API by default. Add a middleware l…

erpapiarchitectureintegration
Dev.to Oct 18, 2026, 07:28 UTC
EN

A TikTok Shop API for public product data: price, units sold and stock per SKU as JSON

Disclosure: I build TubeText . This post uses our TikTok Shop Actor on Apify. The numbers below are from a run I did today. If you search for a "Tik…

apiecommercetiktokwebscraping
Dev.to Oct 18, 2026, 03:26 UTC
EN

The wappalyzer npm package is deprecated: options for detecting tech stacks in code

For years, npm install wappalyzer was how developers detected a website's technologies in code. The package's last release, 7.0.3 from August 2023,…

javascriptnodewebdevapi
Dev.to Oct 18, 2026, 03:25 UTC
EN

Using AutoClaws free GLM models usage from other sdks (opencode / claude code)

ive been maintaining this small opensource project GLM Proxy (glmproxy on npm) for a while and its finally on the level where im happy to share it o…

apijavascriptnodeopensource
Dev.to Oct 18, 2026, 00:24 UTC
EN

398 of 692 Products Were Published in One Afternoon. Zero Were Created in 90 Days

I run a visa agency in Bali. The other half of my week goes into Apify Actors, and one of them profiles Shopify stores: you hand it a list of domain…

webscrapingecommerceapinode
Dev.to Oct 17, 2026, 21:11 UTC
EN

Is anyone still reading that thread? Check the author's last reply with 3 free APIs

When you answer someone's question on a forum, the date of the post tells you less than you think. A founder told me their replies stopped working a…

javascriptwebdevapishowdev
Dev.to Oct 17, 2026, 20:22 UTC
EN

I logged every status code scraping eBay sold listings. The block is not where you think

Every tutorial for this is the same twelve lines. I ran them today, logged every status code, and the interesting part is not that it failed. It is…

pythonwebscrapingapiebay
Dev.to Oct 17, 2026, 18:29 UTC
EN

5 Common JSON Mistakes That Break API Requests (With Fixes)

JSON is one of the most common formats used to exchange data between frontend applications, backend services, and APIs. It looks similar to a JavaSc…

apibackendprogrammingsoftwaredevelopment
Dev.to Oct 17, 2026, 18:27 UTC
EN

Checking ccTLD availability without trusting one source (and what .si actually sells for)

Every "is this domain available" check you have ever run is a wrapper around someone else's cache. For .com that's usually fine — dozens of systems…

dnsapiwebdevpython
Dev.to Oct 17, 2026, 14:17 UTC
EN

The EDI 855, Decoded: The Purchase Order Acknowledgment Is Where the Order Becomes a Promise

An 855 · Purchase Order Acknowledgment is the seller's business answer to an 850 · Purchase Order: yes, no, or yes-with-changes — line by line, with…

ediapiintegrationsupplychain
Dev.to Oct 17, 2026, 13:27 UTC
EN

I pulled 4 real error messages from live APIs today. Here is what each one gets wrong.

Error messages are copy. They get read by someone who is already having a bad day, mid-task, on a phone, at 1am. Most teams write them last, drop th…

webdevapiuxprogramming
Dev.to Oct 17, 2026, 11:16 UTC
EN

Designing an MCP server for a personal data app: 6 lessons from 10 wardrobe servers

The Model Context Protocol (MCP) lets an AI assistant such as ChatGPT or Claude call tools on your server. Several closet apps already have an MCP s…

mcpaiapidesign
Dev.to Oct 17, 2026, 06:25 UTC
EN

Your retry logic has never seen a real 429. Here is how to test it with a local fault-injecting mock

Most LLM client code has a retry branch that has never actually run. The provider returns 200 in every test, so the 429 , 500 and timeout paths sit…

pythonllmtestingapi
Dev.to Oct 17, 2026, 03:16 UTC
EN

NSFW Video and GIF Moderation with Python and an API

If your app accepts video or GIF uploads (short clips in a social feed, reaction GIFs in chat, product videos on a marketplace), checking only the t…

pythonapisecuritywebdev
Dev.to Oct 16, 2026, 16:31 UTC

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