Sector portfolio · Accelerator · United States
Y Combinator's Developer Tools portfolio
Y Combinator has backed 81 Developer Tools startups in rounds we track, $516M between them, shown by the stage each has reached. The best-funded is Supabase.
81startups backed
4stages
$516Mraised between them
Pre-seed and seedbiggest stage
Funding by segment
- Pre-seed and seed$107M58
- Series A$164M11
- Stage not reported$39M7
- Series B$206M5
Where they are based
- United States69$409M
- United Kingdom4$68M
- Canada3$2.4M
- Australia3$16M
- Norway1$15M
- Brazil1$5.5M
United States
United Kingdom
Canada
Australia
Norway
BrazilFounded
3Earlier
312
213
114
215
16
317
618
519
1220
921
1122
1223
224
25
26
10 without a founding year on record.
Total raised
- Under $1M40
- $1M to $10M25
- $10M to $50M15
- $50M to $250M1
- $250M to $1B0
- $1B and over0
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
71 of 81 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United States69
- United Kingdom4
- Canada3
- Australia3
- Norway1
- Brazil1
Startups by country, 6 countries in all.
Segment by segment
Pre-seed and seed
58 startups · $107M raised
IntrinsicIntrinsic is an advisory and valuation firm providing time-critical transaction support and valuation advice.United States$18M
SpeedscaleSpeedscale is a software company based in Atlanta, founded in 2020 and backed by Y Combinator.United States$9.0M
OrthogonalOrthogonal is a publishes long-form essays and stories on how software & data science are transforming multiple industries.United States$7.8M
NangoNango is an open-source platform that enables B2B SaaS companies and AI agents to build, run, and maintain product integrations wiUnited States$7.5M
BunBun operates fast food joints that provides burgers with plant-based meat.United States$7.0M- NNebulaNebula is a music company where artists earn money for their royalties.United States$6.5M
MentumMentum is an API for fintech companies that offers investment services.United States$4.2M
Estimote, Inc.Estimote, Inc.United States$3.4M
Series A
11 startups · $164M raised
ReflexThe Reflex technology platform connects top-retail associates with retailers when they need staffing help.United States$28M
JunctionDevelopers at leading digital health companies, from Metabolic clinics to Longevity, use Junction to remotely access granular healUnited States$21M
SalsaSalsa, founded in 2021 by Juan Barroso and John Kramer, is an embedded payroll provider based in San Francisco, California.United States$20M
ResendResend is a developer-first email infrastructure platform founded in 2023, evolving from an open-source project started in 2022.United States$18M
FrankieOneFrankieOne is a global regulatory technology company based in Melbourne, Australia, founded in 2017 by Simon Costello and Aaron Chipper.Australia$15M
EnodeEnode is a SaaS technology company based in Oslo, Norway, founded in 2020.Norway$15M
MericoMerico develops code analytics technology to support engineering teams in understanding and optimizing productivity and code quality.United States$12M
RootlyRootly is an AI-native on-call and incident management platform founded in 2020 in San Francisco, California.United States$12M
Stage not reported
7 startups · $39M raised
SameSame is a SaaS company that offers a software platform for non-coders to build real products, websites and apps online.United States$14M
FlexpaFlexpa allows digital health apps to connect to new patient access APIs.United States$8.6M
SvixSvix is an open-source webhooks-as-a-service platform founded in 2021, designed to help companies send, receive, and test webhooksUnited States$7.8MApto PaymentsApto Payments is a card issuance platform that enables companies to design and launch card programs.United States$5.6M
DataformDataform manages data pipelines in data warehouse.United Kingdom$2.0M
AGAPÉAgape is leading the community of shoe lovers.United States$1.0M
PolicyFlyPolicyFly is a New York-based insurtech company founded in 2018.United States$500K
Series B
5 startups · $206M raised
FIDEL APIFidel API is a global financial infrastructure platform that provides developers with a suite of APIs to connect payment cards, suUnited Kingdom$65M
Method FinancialMethod Financial is a financial connectivity API for consumer liability data + paymentsUnited States$42M
MintlifyMintlify is an AI-native documentation platform designed to help companies create, host, and manage developer-facing documentation.United States$37M
CourierCourier is a notification infrastructure platform designed to enhance product-to-user communication.United States$35M
MemfaultIoT reliability platform that gives developers a more scalable & sustainable process to transform the way they build & operate devUnited States$27M
How this map is made. Every startup here works in Developer Tools and has raised money in a round we track that names Y Combinator as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.
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