PostalDataPI
Smarty
Melissa Data Quality
Booknetic
Square Appointments
Calendly
Book Like A Boss
Acuity Scheduling
WPAmelia
TidyCal
Koalendar
PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate โ $0.000028 per query with no tiers or subscriptions.
What you get back: Up to 18 metadata fields per postal code โ city, state/region, coordinates, timezone, three levels of administrative hierarchy, elevation, and more. Sub-5ms cached responses.
Works everywhere: US ZIP codes, UK postcodes, German PLZ, Japanese postal codes, Canadian FSAs, and 230+ more. Format normalization handles case, spacing, and hyphen variations automatically.
Get started in 60 seconds: 1,000 free queries on signup, no credit card required. SDKs for Python and Node.js. MCP server for AI agents (Claude, Cursor, etc.).
Built for developers: REST API, consistent JSON responses across all countries, OpenAPI spec, llms.txt for AI agent discovery.
PostalDataPI BookneticBooknetic is recommended for small to medium-sized businesses across various industries such as healthcare, salons, spas, consultants, and any service-based businesses that require appointment booking capabilities.
Booknetic's answer:
Booknetic stands out for its user-friendly interface, extensive customization options, and robust set of features designed specifically for appointment booking and scheduling needs.
Booknetic's answer:
Booknetic offers a comprehensive solution with a wide range of features tailored to meet the diverse needs of businesses in various industries. With seamless integration, flexible customization, and dedicated support, Booknetic provides exceptional value for users looking to streamline their appointment booking processes.
Booknetic's answer:
Our primary audience includes businesses and professionals across different sectors, such as healthcare, beauty and wellness, education, consulting, and more. Whether you're a solo practitioner, small business owner, or enterprise-level organization, Booknetic caters to your scheduling needs with precision and efficiency.
Booknetic's answer:
Booknetic was born out of a passion for simplifying appointment scheduling processes and empowering businesses to manage their bookings effortlessly. Our team of developers and industry experts envisioned a comprehensive solution that would revolutionize the way businesses handle appointments, which is leading to the creation of Booknetic.
Based on our record, Booknetic seems to be more popular. It has been mentiond 2 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.
Booknetic is what you need. You will have lots of options on the admin panel. You can check the demo on their website for further understanding. Source: over 4 years ago
Try booknetic.com. They also have very good customer support. Source: about 5 years ago
Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Square Appointments - Add an online booking link. Easily embed the customizable widget directly on your website. Any changes to your online scheduling, prices, or services update automatically.
Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).
Calendly - Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.