
/api/v1/natal/chart/Standard natal chart, light theme
- natal
- standard layout
- light theme
- default colours
- aspect lines
59 ready-made chart designs rendered as PNG by the FreeAstroAPI chart endpoints, organised by Western chart type. Every card carries the exact JSON request body that produced the image: copy it, change the birth data, and send it to the same endpoint with your API key to get the same style as SVG or PNG.
24 designs
Single-wheel birth charts: planets, houses, angles and aspect lines rendered from one set of birth data.
POST https://api.freeastroapi.com/api/v1/natal/chart/Natal chart endpoint docs
/api/v1/natal/chart/
/api/v1/natal/chart/
/api/v1/natal/chart/
/api/v1/natal/chart/
/api/v1/natal/chart/
/api/v1/natal/chart/
/api/v1/natal/chart/
/api/v1/natal/chart/
/api/v1/natal/chart/
/api/v1/natal/chart/
/api/v1/natal/chart/
/api/v1/natal/chart/
/api/v1/natal/chart/
/api/v1/natal/chart/

/api/v1/natal/chart/

/api/v1/natal/chart/

/api/v1/natal/chart/

/api/v1/natal/chart/
/api/v1/natal/chart/
/api/v1/natal/chart/8 designs
Bi-wheel charts that overlay the current sky on the natal wheel for any date, time and location.
POST https://api.freeastroapi.com/api/v1/natal/chart/transitsTransit chart endpoint docs
/api/v1/natal/chart/transits
/api/v1/natal/chart/transits
/api/v1/natal/chart/transits
/api/v1/natal/chart/transits
/api/v1/natal/chart/transits
/api/v1/natal/chart/transits
/api/v1/natal/chart/transits
/api/v1/natal/chart/transits7 designs
Yearly Sun-return bi-wheels, optionally relocated, drawn over the natal chart.
POST https://api.freeastroapi.com/api/v1/natal/chart/solar-returnSolar return chart endpoint docs
/api/v1/natal/chart/solar-return
/api/v1/natal/chart/solar-return
/api/v1/natal/chart/solar-return
/api/v1/natal/chart/solar-return
/api/v1/natal/chart/solar-return
/api/v1/natal/chart/solar-return
/api/v1/natal/chart/solar-return6 designs
Natal wheel inside, secondary-progressed planets, angles and house cusps outside.
POST https://api.freeastroapi.com/api/v1/natal/chart/progressionsSecondary progressions chart endpoint docs
/api/v1/natal/chart/progressions
/api/v1/natal/chart/progressions
/api/v1/natal/chart/progressions
/api/v1/natal/chart/progressions
/api/v1/natal/chart/progressions
/api/v1/natal/chart/progressions7 designs
Two-person relationship bi-wheels with inter-aspect lines between both charts.
POST https://api.freeastroapi.com/api/v1/natal/chart/synastrySynastry chart endpoint docs
/api/v1/natal/chart/synastry
/api/v1/natal/chart/synastry
/api/v1/natal/chart/synastry
/api/v1/natal/chart/synastry
/api/v1/natal/chart/synastry
/api/v1/natal/chart/synastry
/api/v1/natal/chart/synastry7 designs
Midpoint composite wheels built from two birth charts, with midpoint houses when both times are known.
POST https://api.freeastroapi.com/api/v1/natal/chart/compositeComposite chart endpoint docs
/api/v1/natal/chart/composite
/api/v1/natal/chart/composite
/api/v1/natal/chart/composite
/api/v1/natal/chart/composite
/api/v1/natal/chart/composite
/api/v1/natal/chart/composite
/api/v1/natal/chart/compositeStart from any request above in the Chart Designer, tweak colours, rings and layout live, then export the chart_config JSON. The full list of keys is documented in the SVG chart reference.