
PostalDataPI
Smarty
Melissa Data Quality
QuickGraph AI
Graphy AI
Graph-Maker.ai
Piktochart
Edraw Max
GraphMaker.me
Line Graph Maker
DataWrapper
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.
QuickGraph AI is a free online AI graph generator and chart maker designed to help you turn data into clear & professional visuals insights in seconds. Simply enter your data and generate accurate results without any design or technical skills. Built for speed, simplicity, and reliability, QuickGraph AI makes it easy to present insights for reports, presentations, and everyday data needs.
PostalDataPI
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Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Graphy AI - Tell stories with data powered by AI
Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).
Graph-Maker.ai - Create professional graphs in seconds. Paste your data and let AI choose, build, and explain the perfect chart.