Barcode Tools (decode, render, GTIN validate)

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['image_base64'], 'properties': {'formats': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Optional canonical format ids to keep, e.g. ["qr","ean13"]'}, 'image_base64': {'type': 'string', 'description': 'Base64-encoded image file bytes (no data: URI prefix)'}}}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {}}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['text', 'format'], 'properties': {'text': {'type': 'string', 'description': 'Payload to encode (digits for GTIN symbologies)'}, 'scale': {'type': 'integer', 'maximum': 12, 'minimum': 2, 'description': 'Rasterization scale, default 6'}, 'format': {'type': 'string', 'description': 'Symbology id: qr, aztec, datamatrix, code128, code39, code93, ean13, ean8, upca, itf, pdf417'}}}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['code'], 'properties': {'code': {'type': 'string', 'description': 'Candidate product code, digits only'}}}