Why it ranks
How the rank works11signal of 100 · rising 3
- acquiredOutcome · YC, program pages, Acquisitions+4
- went through YCProgram · this site+4
- team of 2Team size · YC's directory+2.5
A sum of public facts, not a judgement and not investment advice.
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
| Data, Devtools | Inactive | YCS22 | |
| AI, Devtools | Active | YCW22 |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
| AI, Data | Active | YCS21 | |
| Other | Not stated | Plug and Play | |
| CakeworkShared: cloud computing, serverless, openYC W23InactiveDevtools | Devtools | Inactive | YCW23 |
| AI, Devtools | Active | YCX26 | |
| AI, Devtools | Active | YCF26 |
Also from W23 in Developer tools
All of W23About Arroyo
Arroyo is a serverless stream processing platform built on top of the open-source Arroyo streaming engine. We allow companies to transform, filter, aggregate, and join their Kafka streams in real-time just by writing SQL. We charge purely based on usage, with no fixed costs or clusters to manage. In 2025, Arroyo was acquired by Cloudflare and now powers Cloudflare Pipelines
- YC batch
- W23 · Winter 2023
- Status, per YC
- Acquired
- Category
- Developer tools
- Team size
- 2
- Location
- San Francisco, CA, USA
- Checked
- 6h ago
YC tags: Developer Tools, SaaS, Open Source, Cloud Computing
Arroyo: questions
Which YC batch was Arroyo in?
Arroyo was in Y Combinator's Winter 2023 batch (W23).
Is Arroyo still active?
Y Combinator lists Arroyo as acquired.
Where is Arroyo based?
Arroyo lists San Francisco, CA, USA as its location on YC's directory.