Y Combinator (YC)

Rolling

Sample data — names, dates, cheque sizes and terms here are illustrative, not verified.

The most influential startup accelerator in the world. 3-month batch program culminating in Demo Day. YC alumni network is unmatched — investors take your call just because you got in.

Tier

Tier A

Application questions 29

01

Who writes code, or does other technical work on your product? Was any of it done by a non-founder? Please explain.
02

Are you looking for a cofounder?
03

Please record a one minute video introducing the founder(s).

Required. Read more about the video here. Make sure the file does not exceed 100 MB.
04

Company name

Required.
05 · 50 characters

Describe what your company does in 50 characters or less.

Required.
06

Company URL, if any
07

If you have a demo, attach it below.

Anything that shows us how the product works. Please limit to 3 minutes / 100 MB.
08

Please provide a link to the product, if any.
09

If login credentials are required for the link above, enter them here.
10

What is your company going to make? Please describe your product and what it does or will do.
11

Where do you live now, and where would the company be based after YC?

Use the format City A, Country A / City B, Country B
12

Explain your decision regarding location.
13

How far along are you?
14

How long have each of you been working on this? How much of that has been full-time? Please explain.
15

What tech stack are you using, or planning to use, to build this product? Include AI models and AI coding tools you use.
16

Are people using your product?

Yes/No.
17

Do you have revenue?

Yes/No.
18

If you are applying with the same idea as a previous batch, did anything change? If you applied with a different idea, why did you pivot and what did you learn from the last idea?
19

If you have already participated or committed to participate in an incubator, "accelerator" or "pre-accelerator" program, please tell us about it.
20

Why did you pick this idea to work on? Do you have domain expertise in this area? How do you know people need what you're making?
21

Who are your competitors? What do you understand about your business that they don't?
22

How do or will you make money? How much could you make?

We realize you can't know precisely, but give your best estimate.
23

If you had any other ideas you considered applying with, please list them.

One may be something we've been waiting for. Often when we fund people it's to do something they list here and not in the main application.
24

Have you formed ANY legal entity yet?

This may be in the United States, in your home country or in another country. Yes/No.
25

Have you taken any investment yet?

Yes/No.
26

Are you currently fundraising?

Yes/No.
27

What convinced you to apply to Y Combinator? Did someone encourage you to apply? Have you been to any YC events?
28

How did you hear about Y Combinator?
29

What batch do you want to apply for?

Options: Winter 2027; A batch after Winter 2027.

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