AstroAPI Chart Generation API: Fast High-Res SVG/PNG Birth Charts
Enhance your platform with these complementary APIs:
Professional visual output at scale
Everything needed for professional astrological chart creation
Professional SVG and PNG chart creation for modern applications
The Chart Generation API creates stunning astrology charts in under 2 seconds with Swiss Ephemeris precision. Unlike manual chart drawing that takes 30-60 minutes, our API generates high-quality SVG and PNG charts instantly. Perfect for astrology apps, professional services, and educational platforms that need beautiful, accurate chart visualizations. With 15+ chart styles, full customization and 4K resolution support, it's like having a professional chart designer built into your application. Similar to how you can create natal chart URL parameters with astrocom genchartcgi, our API uses simple query strings to generate birth charts - but with more customization options and faster response times.
Our Chart Generation API takes birth data (date, time, location) and mathematical calculations from Swiss Ephemeris to create visual astrology charts.
The process involves calculating exact planetary positions, house cusps and aspects, then rendering them into beautiful SVG or PNG format.
You can customize every aspect: colors, fonts, line weights, aspect orbs, house systems and chart style.
The API handles complex visual calculations like correct aspect line placement, text overlap avoidance and maintaining readability across all chart elements.
The result is publication-ready astrology charts ready for any application.
Most astrology software creates charts for desktop display, not modern web applications.
Our API generates web-optimized SVG charts that scale perfectly across devices while maintaining sharp quality.
We handle technical challenges like responsive design, accessibility (screenreader support) and performance optimization.
Our charts work seamlessly in React, Vue, Angular or plain HTML.
Plus PNG export supports high-DPI displays and professional printing up to 4K resolution.
The visual algorithms ensure aspect lines never obscure important information and text remains readable at any size.
Integration takes about 10 minutes with our REST API.
Send birth data via POST request, receive SVG or PNG chart as response.
The API accepts standard parameters like birth date/time/location plus styling options.
You can display SVG charts directly in HTML or save PNG files for later use.
Perfect for astrology apps wanting chart visualization, professional astrologers needing client reports, or educational platforms teaching astrological concepts.
Our CDN ensures fast global delivery while the API handles all complex mathematical and visual calculations automatically.
Astrological interpretation depends on accurate visual representation of planetary positions and aspects.
A slight error in house placement or aspect angle can completely change the reading.
Our Swiss Ephemeris calculations ensure NASA-grade precision for all planetary positions, then translate that mathematical accuracy into pixel-perfect visual representation.
We maintain correct proportional spacing, precise degree markings and exact aspect line angles.
This visual accuracy means astrologers can trust the charts for professional readings while students learn correct astrological relationships through accurate visual examples.
Birth chart features and compatibility visualizations
Client reports and consultation materials
Learning platforms and astrological courses
Social media graphics and blog illustrations
| Generation Time | <2 seconds for complete chart |
| Output Formats | SVG (scalable) and PNG (raster) |
| Maximum Resolution | 4K (4096x4096) PNG export |
| Chart Styles | 15+ professional designs available |
| Customization | 50+ parameters (colors, fonts, layout) |
| House Systems | 23+ systems including Placidus, Koch, Equal |
| Calculation Precision | Swiss Ephemeris arcsecond accuracy |
| Aspect Support | Major and minor aspects with custom orbs |
| API Format | RESTful with JSON parameters |
| File Size | SVG 50-100KB, PNG 200KB-2MB depending on resolution |
| Browser Support | All modern browsers with SVG support |
| Rate Limiting | 100 charts/minute with burst allowance |
| Feature | Astrology API | Others |
|---|---|---|
| Chart Creation Time | <2 seconds | 30-60 minutes |
| Cost Per Chart | $0.01 per chart | Software license $500+ |
| API Integration | Native REST API | No API access |
| Customization | 50+ styling options | Limited presets |
| Output Quality | SVG + 4K PNG | Low-resolution screenshots |
| Web Optimization | Responsive SVG | Desktop only |
| Calculation Precision | Swiss Ephemeris | Varies by software |
| Scalability | 100+ charts/minute | One at a time |
Start free, scale as you grow. No hidden fees, no surprises.
For small apps and personal projects
For growing apps and medium traffic
For enterprise-scale applications
All plans include comprehensive documentation and SDKs
Questions? Talk to our team
Everything you need to know about astrological chart creation