ReJot

Active · We turn complex API integrations into drop‑in full‑stack libraries

YC W25

Website YC profile

Why it ranks

How the rank works

7signal of 100 · rising 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

ArchalShared: api integration, infrastructureYC S26San FranciscoStartup →AI

s2.devShared: building block, databases, apiYC F25San FranciscoStartup →Developer toolsAcquired

MoltinShared: building block, apiYC W15BostonStartup →Developer tools

NangoShared: api, integration, shipYC W23San FranciscoStartup →Developer toolsInactiveCakeworkShared: source framework, infrastructure, apiYC W23SeattleStartup →

Companies closest to ReJot
Company	Category	Status	Program
ArchalShared: api integration, infrastructureYC S26ActiveAI, Devtools	AI, Devtools	Active	YCS26
s2.devShared: building block, databases, apiYC F25ActiveAI, Data, Devtools	AI, Data, Devtools	Active	YCF25
MoltinShared: building block, apiYC W15AcquiredDevtools	Devtools	Acquired	YCW15
NangoShared: api, integration, shipYC W23ActiveDevtools	Devtools	Active	YCW23
CakeworkShared: source framework, infrastructure, apiYC W23InactiveDevtools	Devtools	Inactive	YCW23

Adjacent

Other

BrickShared: api provider, codeAntler 2020SingaporeStartup →Developer tools

Fly.ioShared: full stack, infrastructure, launchYC W20ChicagoStartup →Data

ParadeDBShared: databases, infrastructure, fullYC S23San FranciscoStartup →Other

OnebriefShared: reusable building, building block, turnYC S21HonoluluStartup →DataInactive

TriplitShared: full stack, databasesYC W21RemoteStartup →

Companies next to ReJot
Company	Category	Status	Program
BrickShared: api provider, codeAntler 2020Not statedOther	Other	Not stated	Antler2020
Fly.ioShared: full stack, infrastructure, launchYC W20ActiveDevtools	Devtools	Active	YCW20
ParadeDBShared: databases, infrastructure, fullYC S23ActiveData, Devtools	Data, Devtools	Active	YCS23
OnebriefShared: reusable building, building block, turnYC S21 +1ActiveOther	Other	Active	YC +1S21
TriplitShared: full stack, databasesYC W21InactiveData, Devtools	Data, Devtools	Inactive	YCW21

Founders

Wilco KruijerFounder/CEO
Jan SchutteFounder/CTO

About ReJot

ReJot is building Fragno to let API companies go from simply exposing an API to offering drop-in integrations that work out of the box. Fragno is an open‑source framework for packaging backend endpoints, data storage patterns, and frontend utilities into reusable building blocks. API providers ship full integrations, not just low‑level SDKs and docs. Customers configure rather than write code, so integrations are both much faster to launch and far more consistent across customers.

YC batch: W25 · Winter 2025
Status, per YC: Active
Category: Data, Developer tools
Team size: 2
Location: Amsterdam, NH, Netherlands
Founded: 2024
Checked: 13h ago

YC tags: Developer Tools, API, Infrastructure, Databases

ReJot in W25: 166 companies, 84% AI

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ReJot: questions

Which YC batch was ReJot in?

ReJot was in Y Combinator's Winter 2025 batch (W25).

Is ReJot still active?

Y Combinator lists ReJot as active.

Who founded ReJot?

ReJot's founders, as listed on its YC page: Wilco Kruijer (Founder/CEO), Jan Schutte (Founder/CTO).

Where is ReJot based?

ReJot lists Amsterdam, NH, Netherlands as its location on YC's directory.