Daniel Igel

Daniel Igel

Jul 27

Add JSON-LD structured data in 10 minutes to get cited by AI search

2 min read

Daniel Igel

Jul 26

Detect the language of any text in 187 languages — no ML model, no billing

1 min read

Daniel Igel

Jul 25

Mortgage, loan and compound interest calculations via REST API — no spreadsheet needed

2 min read

Daniel Igel

Jul 24

EU VAT number validation in 3 lines of code: REST API backed by official VIES

2 min read

Daniel Igel

Jul 23

Validate 100 IBANs at once: batch payment validation without a banking API

1 min read

Daniel Igel

Jul 22

Check domain availability, WHOIS and suggestions via REST API

1 min read

Daniel Igel

Jul 21

DNS lookup via REST API â€” resolve A, AAAA, MX, TXT, NS and CNAME records in your app

1 min read

Daniel Igel

Jul 20

Live exchange rates from the ECB via REST API â€” no key, no sign-up required

2 min read

Daniel Igel

Jul 19

IP Geolocation in your app without a local database: free REST API with MaxMind GeoLite2

#api #backend #networking #webdev

2 min read

Daniel Igel

Jul 12

Turn any RSS or Atom feed into clean JSON with a single HTTP request

#showdev #api #javascript #webdev

2 min read

Daniel Igel

Jul 11

URL to screenshot in one GET â€” desktop, mobile, or custom viewport

2 min read

Daniel Igel

Jul 10

5 text analysis tasks in one POST â€” no LLM key needed

#ai #api #llm #nlp

1 min read

Daniel Igel

Jul 8

Syntax + MX + disposable detection: complete email validation in one call

#showdev #api #backend #webdev

1 min read

Daniel Igel

Jul 6

Scrape any URL with one POST — Cloudflare bypass included

2 min read

Daniel Igel

Jul 5

Why your robots.txt is blocking AI crawlers (and how to fix it)

#ai #seo #tutorial #webdev

1 min read

Daniel Igel

Jul 2

10-point AI citation readiness checklist for developers

#ai #developer #seo #webdev

2 min read

Daniel Igel

Jul 1

Build link previews without parsing HTML: OG metadata in one API call

#showdev #api #seo #webdev

1 min read

Daniel Igel

Jun 25

Add llms.txt to your site in 5 minutes and get cited by ChatGPT, Perplexity & Co.

#ai #llm #tutorial #webdev

4 min read

Daniel Igel

Jun 24

How to audit your site for AI search readiness (step-by-step with CiteReady)

#ai #tooling #tutorial #webdev

4 min read

Daniel Igel

Jun 23

What is GEO and why your site needs it in 2026

#ai #llm #marketing #webdev

1 min read

Daniel Igel

Jun 18

Validate EU VAT numbers against VIES (with company lookup) in one GET

#showdev #api #backend #webdev

1 min read

Daniel Igel

Jun 17

Validate & parse IBANs (ISO 13616, 80+ countries) without a paid banking API

#showdev #api #backend #webdev

1 min read

Daniel Igel

Jun 16

Block abusive IPs before they hit your app: one call against 7 DNSBLs

#showdev #api #networking #security

1 min read

Daniel Igel

Jun 15

Is your site visible to AI search? Check it with one API call

#showdev #ai #api #webdev

1 min read

Daniel Igel

Jun 14

DNS lookups (A/MX/TXT/reverse) as a single JSON endpoint — no resolver wrangling

#showdev #api #networking #tooling

1 min read

Daniel Igel

Jun 13

Scraping Cloudflare-protected pages without running your own headless browser

#webscraping #node #api #webdev

1 min read

Daniel Igel

Jun 13

Cut signup spam: syntax + MX + disposable email validation in one call

#api #saas #node #webdev

1

1 min read

Daniel Igel

Jun 13

Add geo-personalization with one IP lookup (IPv4/IPv6, batch)

#api #webdev #javascript #node

1 min read

Daniel Igel

Jun 13

Drop-in sentiment, summary & NER without managing an LLM key

#api #ai #node #webdev

1 min read

Daniel Igel

Jun 13

Generate OG / social-preview images on the fly (screenshots-as-a-service)

#showdev #webdev #api #node

1 min read

Daniel Igel

Jun 13

Free-tier currency conversion straight from the ECB feed

#api #webdev #javascript #fintech

1 min read

DEV Community

Badges

Writing Debut

Add JSON-LD structured data in 10 minutes to get cited by AI search

Detect the language of any text in 187 languages — no ML model, no billing

Mortgage, loan and compound interest calculations via REST API — no spreadsheet needed

EU VAT number validation in 3 lines of code: REST API backed by official VIES

Validate 100 IBANs at once: batch payment validation without a banking API

Check domain availability, WHOIS and suggestions via REST API

DNS lookup via REST API â€” resolve A, AAAA, MX, TXT, NS and CNAME records in your app

Live exchange rates from the ECB via REST API â€” no key, no sign-up required

IP Geolocation in your app without a local database: free REST API with MaxMind GeoLite2

Turn any RSS or Atom feed into clean JSON with a single HTTP request

URL to screenshot in one GET â€” desktop, mobile, or custom viewport

5 text analysis tasks in one POST â€” no LLM key needed

Syntax + MX + disposable detection: complete email validation in one call

Scrape any URL with one POST — Cloudflare bypass included

Why your robots.txt is blocking AI crawlers (and how to fix it)

10-point AI citation readiness checklist for developers

Build link previews without parsing HTML: OG metadata in one API call

Add llms.txt to your site in 5 minutes and get cited by ChatGPT, Perplexity & Co.

How to audit your site for AI search readiness (step-by-step with CiteReady)

What is GEO and why your site needs it in 2026

Validate EU VAT numbers against VIES (with company lookup) in one GET

Validate & parse IBANs (ISO 13616, 80+ countries) without a paid banking API

Block abusive IPs before they hit your app: one call against 7 DNSBLs

Is your site visible to AI search? Check it with one API call

DNS lookups (A/MX/TXT/reverse) as a single JSON endpoint — no resolver wrangling

Scraping Cloudflare-protected pages without running your own headless browser

Cut signup spam: syntax + MX + disposable email validation in one call

Add geo-personalization with one IP lookup (IPv4/IPv6, batch)

Drop-in sentiment, summary & NER without managing an LLM key

Generate OG / social-preview images on the fly (screenshots-as-a-service)

Free-tier currency conversion straight from the ECB feed