Venture Capital

Greylock Partners

Greylock Partners is one of the oldest and best-known venture capital firms in the United States, founded in 1965 in Cambridge, Massachusetts and headquartered in Menlo Park, California. Greylock is an early-stage-focused firm that partners with founders at the pre-seed, seed, and Series A stages, deploying the majority of its capital as a first check and continuing to back companies through Series B and beyond. The firm reports over $3.5 billion in committed capital under management. Greylock invests across enterprise and consumer software with an explicitly AI-first thesis, concentrating on applications, infrastructure, cybersecurity, fintech, consumer, and deep tech. Its portfolio and alumni network includes category-defining companies such as LinkedIn, Facebook, Airbnb, Workday, Palo Alto Networks, Cloudera, Coinbase, Figma, Discord, and Anthropic. Partners include Reid Hoffman, Asheem Chandna, Saam Motamedi, Jerry Chen, David Sze, and Mike Duboe.

158 portfolio companies 69 publish APIs here 13 properties
Venture CapitalSeedSeries AArtificial IntelligenceEnterprise SoftwareCybersecurityFintechInfrastructureConsumerSilicon Valley

Greylock Partners has 158 portfolio companies tracked on the APIs.io network, of which 69 (44%) publish APIs indexed here.

Its highest-rated API providers on the network are ServiceNow, Anthropic, Palo Alto Networks, Figma, LinkedIn.

Portfolio on the Network

Portfolio companies that publish APIs indexed on APIs.io, grouped by their API Evangelist rating. Exemplar and Strong are expanded by default.

Exemplar 3 Complete, well-documented, and agent-ready
ServiceNow 57 APIs 73.4 Anthropic 11 APIs 72.6 Palo Alto Networks 463 APIs 71.0
Strong 9 Solid coverage with minor gaps
Figma 18 APIs 69.7 LinkedIn 7 APIs 68.0 OpenAI 25 APIs 67.0 Okta 3 APIs 66.6 Workday 20 APIs 66.6 Facebook 6 APIs 65.8 0x Labs 5 APIs 62.2 Instagram 4 APIs 61.5 Discord 9 APIs 60.6
Developing 14 Usable, with meaningful gaps to close
Ramp 1 API 58.9 Builder.io 6 APIs 58.8 Censys 2 APIs 58.6 Magic Eden 7 APIs 57.3 Gladly 8 APIs 57.0 Coinbase 8 APIs 55.5 WarpStream 1 API 55.4 AppDynamics 9 APIs 55.2 Airbnb 3 APIs 53.8 Cribl 6 APIs 52.0 Pure Storage 4 APIs 51.6 Dropbox 2 APIs 50.0 Common Room 2 APIs 48.8 Redfin 3 APIs 46.7
Thin 24 Limited public surface area
Postscript 1 API 44.7 LlamaIndex 6 APIs 44.0 Coda 14 APIs 43.2 Docker 1 API 42.5 Baseten 3 APIs 42.3 Predibase 8 APIs 42.1 Ava Protocol 1 API 41.7 Medium 2 APIs 41.3 Blend 10 APIs 40.3 Pandora 1 API 38.9 Nextdoor 1 API 38.3 Sumo Logic 18 APIs 37.5 Clockwise 1 API 37.4 Braintrust 1 API 37.3 Cato Networks 1 API 36.5 GoFundMe 9 APIs 36.2 AirOps 1 API 35.4 Rubrik 4 APIs 35.2 Orb 10 APIs 34.8 Snorkel AI 4 APIs 33.5 Inflection 6 APIs 32.8 Roblox 8 APIs 31.7 Cloudera 6 APIs 30.9 Zuora 1 API 30.8
Emerging 18 Early or largely undocumented
Chronosphere 1 API 29.4 StackBlitz 2 APIs 29.4 Abnormal 1 API 27.5 Shortcut 1 API 27.1 Domo 1 API 23.7 Atomic 7 APIs 22.7 Revolut 4 APIs 22.0 Adept 5 APIs 21.9 Obsidian Security 1 API 21.9 Gem 11 APIs 21.8 Optic 1 API 21.7 Gretel 2 APIs 20.2 Pinata 4 APIs 19.4 TruEra 2 APIs 17.0 Red Hat 2 APIs 16.4 Solv 3 APIs 16.3 Quip 3 APIs 15.9 Wiz 1 API 15.1
Minimal 1 Almost no public developer surface
Coffee 1 API 6.3

Rest of Portfolio

89 further portfolio companies that don’t yet have a provider page on the network.

7AIAI FundAltaraAmplify MDApiiroAristaAsporaAtomic AIAuroraAvaAVI NetworksAwakeAxiamaticBedrock DataBlockaidBoostBretton AIChiaCleoCogentCrestaCrewCylakeDazzDelphixDemistoEntrepreneur FirstEspressoFableFermatFrecHandshakeHighstockHousepartyIncluded HealthInnoviumInstabaseInstaworkInventaJubileeTVKodemLapseLightfieldLithosLyraMagicalMammoth MediaMandolinModularMultimusical.lyNatomaNautoNeevaNeticNiteshiftNotableNoviNuroOnehouseOpal SecurityOpenDNSOportunParamarkPayJoyPepperPinePortalsPragmaReductResolve AIResponsivRhumbixRocksetSkyhighSonderSqreenSuperMeTellApartTenzaiTin CanTydoUplimitUpwindValidereVoriWealthsimpleWisetackXapo

Scroll for all 89

Properties

Portfolio

Where the firm publishes its investments

Portfolio
Portfolio
 Portfolio
Portfolio
 InvestmentThesis
InvestmentThesis

Team

Partners and investing staff

Team
Team
 Team
Team

Content

Blog, podcast, newsletter, and research

Blog
Blog
 News
News
 Podcast
Podcast

Firm

The firm itself

Website
Website
 Jobs
Jobs
 Crunchbase
Crunchbase
 LinkedIn
LinkedIn
 Twitter
Twitter

Source (apis.yml)

apis.yml Raw ↑ 
aid: greylock.com
name: Greylock Partners
description: Greylock Partners is one of the oldest and best-known venture capital firms in the United
  States, founded in 1965 in Cambridge, Massachusetts and headquartered in Menlo Park, California. Greylock
  is an early-stage-focused firm that partners with founders at the pre-seed, seed, and Series A stages,
  deploying the majority of its capital as a first check and continuing to back companies through Series
  B and beyond. The firm reports over $3.5 billion in committed capital under management. Greylock invests
  across enterprise and consumer software with an explicitly AI-first thesis, concentrating on applications,
  infrastructure, cybersecurity, fintech, consumer, and deep tech. Its portfolio and alumni network includes
  category-defining companies such as LinkedIn, Facebook, Airbnb, Workday, Palo Alto Networks, Cloudera,
  Coinbase, Figma, Discord, and Anthropic. Partners include Reid Hoffman, Asheem Chandna, Saam Motamedi,
  Jerry Chen, David Sze, and Mike Duboe.
image: https://cdn.sanity.io/images/uz672vkd/production/3289769f5f58045123dd9132f64e768dda4e74aa-168x32.svg
x-type: venture-capital
x-category: Venture Capital
tags:
- Venture Capital
- Seed
- Series A
- Artificial Intelligence
- Enterprise Software
- Cybersecurity
- Fintech
- Infrastructure
- Consumer
- Silicon Valley
created: '2026-07-17'
modified: '2026-07-17'
specificationVersion: '0.20'
apis: []
common:
- type: Website
  url: https://greylock.com/
- type: Portfolio
  url: https://greylock.com/portfolio/
- type: Portfolio
  url: portfolio/greylock-portfolio.yml
- type: Team
  url: https://greylock.com/team/
- type: Team
  url: team/greylock-team.yml
- type: InvestmentThesis
  url: https://greylock.com/firm/
- type: Blog
  url: https://greylock.com/blog/
- type: News
  url: https://greylock.com/edge/
- type: Podcast
  url: https://greylock.com/greymatter/
- type: Jobs
  url: https://greylock.com/jobs/
- type: Crunchbase
  url: https://www.crunchbase.com/organization/greylock
- type: LinkedIn
  url: https://www.linkedin.com/company/greylock-partners/
- type: Twitter
  url: https://x.com/GreylockVC
- type: Features
  data:
  - 'Stage: Pre-seed, Seed, Series A (first-check, early-stage focus; follows on through Series B+)'
  - 'Sectors: applications, infrastructure, cybersecurity, fintech, consumer, deep tech'
  - 'Geography: United States (Silicon Valley / Menlo Park)'
  - 'AUM: over $3.5B committed capital (self-reported)'
  - 'Founded: 1965 (Cambridge, MA)'
  - 'HQ: Menlo Park, CA'
  - 'Thesis: AI-first; backs category-defining teams'
  - 'Portfolio: 158 companies profiled from greylock.com/portfolio'
  sources:
  - https://greylock.com/firm/
  - https://en.wikipedia.org/wiki/Greylock_Partners
  - https://www.crunchbase.com/organization/greylock
  updated: '2026-07-17'
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
  url: https://apievangelist.com
- FN: APIs.json
  url: http://apisjson.org
- FN: Greylock Partners
  url: https://greylock.com/