Accel is one of the world's leading venture capital firms, founded in 1983 by Arthur Patterson and Jim Swartz and headquartered in Palo Alto, California, with additional offices in San Francisco, London, and Bangalore, India. Accel describes itself as "the first partner to exceptional teams everywhere," backing founders from seed and early stage through growth worldwide. The firm invests across enterprise software and SaaS, consumer, artificial intelligence, fintech, cybersecurity, infrastructure and developer tools, security, media, and healthcare, and operates dedicated funds for the US, Europe/Israel, and India/Southeast Asia. Accel is known for its "prepared mind" investment philosophy and for backing category-defining companies including Facebook, Slack, Dropbox, Atlassian, CrowdStrike, UiPath, Qualtrics, Spotify, Flipkart, Swiggy, Freshworks, 1Password, Vercel, Scale AI, Anthropic, and Perplexity. Its portfolio spans more than 100 unicorns, dozens of IPOs, and hundreds of acquisitions. In 2024 Accel raised a $650M fund for European and Israeli startups, and in 2025 raised a fund for India and Southeast Asia. This profile tracks Accel's identity and its portfolio graph across the API Evangelist network.
Firms are ranked by cumulative portfolio strength — how many highly-rated API companies they've backed, weighted by tier across composite quality and agent-readiness. The averages below are a secondary read on the typical company in the book.
Accel has 764 portfolio companies tracked on the APIs.io network, of which 317 (41%) publish APIs indexed here. The remaining 447 are tracked as profiles without a published API on the network.
Its highest-rated API providers on the network are Krux, Ada Support, Klaviyo, Anthropic, Mux.
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.
Exemplar18Complete, well-documented, and agent-ready
The 653 portfolio companies with APIs in the catalog, backed by
Accel, scored on the Kin Score. Every figure below is computed from
the catalog — nothing here is written.
A facet is averaged over the members that carry it, not over the whole cohort — the
“Scored” column is that count. Averaging an absent facet as zero would score our own
coverage gaps as the providers’ posture.
What this cohort publishes
Artifact
This cohort
Catalog
Difference
MCP server (any)
14%
11%
+3
MCP server (first-party)
18%
13%
+5
Agent Skills
0%
0%
0
OAuth scopes
13%
12%
+1
Security
97%
96%
+1
Arazzo workflows
3%
2%
+1
Governance rules
12%
13%
-1
mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.
This roster declares 764 members; 737
resolve to a provider in the catalog and 653 carry a score
(89%). The figures above describe the scored members only.Generated from the catalog build of
22 September 2026, across 27674
providers, using the same computation served by the
APIs.io cohort API. Briefs are published for rosters of
5 or more scored providers; below that a distribution is not meaningful.
aid: accel
name: Accel
description: >-
Accel is one of the world's leading venture capital firms, founded in 1983 by
Arthur Patterson and Jim Swartz and headquartered in Palo Alto, California,
with additional offices in San Francisco, London, and Bangalore, India. Accel
describes itself as "the first partner to exceptional teams everywhere,"
backing founders from seed and early stage through growth worldwide. The firm
invests across enterprise software and SaaS, consumer, artificial
intelligence, fintech, cybersecurity, infrastructure and developer tools,
security, media, and healthcare, and operates dedicated funds for the US,
Europe/Israel, and India/Southeast Asia. Accel is known for its "prepared
mind" investment philosophy and for backing category-defining companies
including Facebook, Slack, Dropbox, Atlassian, CrowdStrike, UiPath, Qualtrics,
Spotify, Flipkart, Swiggy, Freshworks, 1Password, Vercel, Scale AI, Anthropic,
and Perplexity. Its portfolio spans more than 100 unicorns, dozens of IPOs,
and hundreds of acquisitions. In 2024 Accel raised a $650M fund for European
and Israeli startups, and in 2025 raised a fund for India and Southeast Asia.
This profile tracks Accel's identity and its portfolio graph across the API
Evangelist network.
x-type: venture-capital
x-category: Venture Capital
deliveryModel:
model: unknown
open_source: false
commercial: false
callable_host: false
label: Delivery model not determined — needs a product licence on record
confidence: low
source:
- none
generated: '2026-08-28'
method: derived
accessModel:
pricing: unknown
onboarding: unknown
trial: false
try_now: false
public: false
label: Unknown
confidence: low
source: []
generated: '2026-07-22'
method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/accel.png
tags:
- Venture Capital
- Seed
- Early Stage
- Growth Equity
- Artificial Intelligence
- Enterprise
- Developer Tools
- Cybersecurity
- Fintech
- United States
- Global
url: >-
https://raw.githubusercontent.com/api-evangelist/accel/refs/heads/main/apis.yml
created: '2026-07-17'
modified: '2026-07-17'
specificationVersion: '0.23'
apis: []
common:
- type: Website
url: https://www.accel.com/
- type: Portfolio
url: https://www.accel.com/companies
- type: Portfolio
url: portfolio/accel-portfolio.yml
- type: Team
url: https://www.accel.com/team
- type: Team
url: team/accel-team.yml
- type: News
url: https://www.accel.com/news
- type: Podcast
url: https://www.accel.com/podcasts
- type: Jobs
url: https://jobs.accel.com/
- type: Contact
url: https://www.accel.com/contact-us
- type: LinkedIn
url: https://www.linkedin.com/company/accel-vc/
- type: Twitter
url: https://x.com/accel
- type: Crunchbase
url: https://www.crunchbase.com/organization/accel
- type: Features
data:
- "Stage: Seed, Early (Series A), Growth"
- "Sectors: enterprise software & SaaS, consumer, AI, fintech, cybersecurity, infrastructure & developer tools, security, media, healthcare"
- "Geography: Global (United States, Europe, Israel, India, Southeast Asia)"
- "AUM: ~$20B+ (third-party estimate, not firm-published)"
- "Founded: 1983"
- "Founders: Arthur Patterson, Jim Swartz"
- "HQ: Palo Alto, CA"
- "Offices: Palo Alto, San Francisco, London, Bangalore"
- "Recent funds: $650M Europe/Israel (2024); India/Southeast Asia fund (2025)"
sources:
- https://www.accel.com/
- https://en.wikipedia.org/wiki/Accel_(company)
updated: '2026-07-17'
maintainers:
- FN: Kin Lane
email: kin@apievangelist.com
- FN: APIs.json
url: http://apisjson.org
- FN: Accel
url: https://www.accel.com/
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