' SRO online API Ticketing

Zicht online works closely together with TopTix, the developers of SRO⁴, and their international distributors to help you.

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Zicht online

TicketTrigger is a product by Zicht online.

Zicht online

Zicht is a Dutch internet agency, based in Rotterdam. Within the agency, Zicht online has a specialized ticketing team to guaranty quality, innovation and maintenance. The people of Zicht have a passion for combining user friendly brand experiences with smart and affordable technical solutions.


TopTix, based in IsraĆ«l, is the producer of SRO⁴.


Zicht online is official API partner of TopTix, this ensures quality and reliability of our solutions. TopTix Ltd. is a privately-owned software house entirely devoted to the design, development and support of SRO⁴ ticketing systems for the live entertainment industry.


ESB-TSB is the supplier for SRO⁴ in the BeNeLux.


Headquartered in Amsterdam, ESB-TSB are a leading software supplier specialising in the needs of the arts and cultural sector. The company develops and maintains software for major concert halls, theaters, music venues, museums and other institutions in the Netherlands and Belgium.

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