Bumbershoot & The American Poster Institute present:

Aug 31 & Sep 1, 2024
Seattle Center Armory
12:30pm – 8:30pm (subject to change)

$350 for a single booth
$700 for a double (limited availability

We are limited to approx. 30 booths. All applicants after that will be placed on a waiting list.

You must be a registered and current member of the API .


Flatstock 84, hosted by API and South  By South West, will take place in Austin, Texas Wednesday, March 15 through Friday, March 17.

Registration will open December 1st at noon EST.

You will receive your contract and further instruction from South by South West. Please allow a few business days for your registration to be processed.

Hello API members!

Flatstock 81 will be taking place at the Primavera Sound in Los Angeles, Sept 16-18, 2022 This is an outdoor event. 

Registration will open Aug 23, at 12PM West Coast Time. Registration is accessible to current API members only, and you must log on to www.americanposterinstitute.com to register.

The registration fee for a 10’ x 10' tent space is $450. The booth fee includes tent, table, and 2 chairs.

This year we have allotted 21 10’ x 10' spaces. A limited number of doubles will be available to those who register and pay for 2 spaces first. Shared 10’ x 10' spaces are also available. If splitting a space, please indicate with whom, when you register.

PLEASE only register for Flatstock if you definitely plan on coming, and will be present in your tent for the full three days.

Registrations in excess of our 21 spaces will go on a wait list, in the order they are received.

You must have a festival pass or vendor credentials to enter the festival grounds and Flatstock.

Each 10’ x 10' single space includes vendor admission for TWO persons TOTAL (4 for a double), Friday-Saturday-Sunday. For shared single spaces each artist gets 1 pass. For you, only. Any other helpers need to buy a ticket.

If you have any questions please contact me, at tuffy(at)americanposterinstitute(dot)com
We are looking forward to seeing you in LA, for Flatstock 81!

Lil Tuffy Tuffington/API