Affinity Designer
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IsValid.dev
Abstract APIs
Numverify
mailboxlayer API
IBAN.com
VAT-calc.net
Melissa Data Quality
MailValidation.io
IsValid is a validation API service for developers who need to quickly verify data formats without building their own validators. It offers 40+ endpoints covering financial identifiers (IBAN, BIC, ISIN, CUSIP), international standards (ISBN, ISSN), technology formats (UUID, JWT, QR codes), regional codes (PESEL, REGON, VAT), and more.
The service works on a freemium model โ 100 free API calls per day, no credit card required. Users manage API keys through a dashboard with usage analytics showing daily call volume and per-endpoint breakdowns.
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IsValid.dev's answer:
IsValid offers 70+ validators in a single API โ covering financial identifiers (IBAN, BIC, ISIN, LEI), international standards (ISBN, ISSN), technology formats (UUID, JWT, QR codes), tax numbers (VAT, REGON, PESEL), credit cards, phone numbers, and more. No need to integrate multiple services for different data types.
IsValid.dev's answer:
Most validation APIs focus on one category (email or phone). IsValid covers financial, regional, and technical formats all in one place with a consistent REST API. The free tier with 100 calls/day requires no credit card, and integration takes minutes.
IsValid.dev's answer:
Developers and software teams building applications that handle user input, financial data, or international identifiers โ particularly in fintech, e-commerce, and SaaS products.
IsValid.dev's answer:
IsValid was built out of frustration with piecing together multiple validation libraries and services. The goal was a single, reliable API that handles the full range of data validation needs developers encounter in real-world applications.
IsValid.dev's answer:
Next.js, Fastify, PostgreSQL, Docker
Based on our record, Affinity Designer seems to be more popular. It has been mentiond 47 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Well, there is Serif's suite: https://affinity.serif.com/en-us/designer/ (There's also a Photo and page layout app) or the open-source stuff: - https://krita.org/en/ - https://inkscape.org/ - https://www.scribus.net/. - Source: Hacker News / about 2 years ago
There's Affinity Designer, too. https://affinity.serif.com/en-us/designer/. - Source: Hacker News / over 2 years ago
Affinity Designer (https://affinity.serif.com/en-us/designer/) is a good choice for doing layouts, although Scribus (https://www.scribus.net/) may be all that you need depending on the complexity of your layouts. Source: about 3 years ago
Done in Serif Affinity Designer as a learning execise I guess. Source: about 3 years ago
You'll need inkscape. It's free at inkscape.org. Affinity Designer can do the same job. It's $70 at https://affinity.serif.com/en-us/designer/. Source: over 3 years ago
Sketch - Professional digital design for Mac.
Abstract APIs - Simple, powerful APIs for everyday dev tasks
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Numverify - Global phone number validation and lookup API
Adobe Illustrator - Adobe Illustrator is a vector graphics editor.
mailboxlayer API - Mailboxlayer is a free, simple and powerful JSON API offering instant email address validation & verification via syntax checks, typo and spelling checks, SMTP checks, free and disposable provider filtering, and much more.