Create a chart image with one API call and embed it anywhere. Send charts in email and other platforms. Open source, no watermarks, used by thousands of developers.
ENDPOINTS
STRUCTURED FROM OPENAPI 3.1
GET
/openapi.json
Fetch the QuickChart OpenAPI description.
GET
/chart
Generate a chart image from query parameters.
POST
/chart
Generate a chart image from a JSON request body.
POST
/api/validate-chart
Validate a chart request and return JSON instead of an image.
GET
/qr
Generate a QR code from query parameters.
POST
/qr
Generate a QR code from a JSON request body.
POST
/api/validate-qr
Validate a QR code request and return JSON instead of an image.
POST
/qr/batch
Generate many QR codes and return a ZIP archive.
POST
/barcode
Generate a barcode from a JSON request body.
POST
/natural/config
Generate an agent-friendly chart config from natural language.