FlyFin website screenshot

FlyFin

FlyFin is an AI-powered tax preparation and filing platform for freelancers, self-employed individuals, 1099 contractors, sole proprietorships, LLCs, S-Corps, C-Corps, partnerships, and W-2 employees. It pairs an A.I. deduction scanner that connects to 2,000+ financial institutions through Plaid with a team of certified CPAs who prepare and file federal and state returns. The product suite includes a quarterly tax calculator, a CPA-certified AI tax assistant for unlimited questions, audit insurance with IRS representation, and Excel tax-summary exports. FlyFin operates as a consumer mobile and web application (iOS and Android) and does not publish a public developer API. It was surfaced as a portfolio company of Accel and added to the API Evangelist network for enrichment.

FlyFin is profiled on the APIs.io network. Tagged areas include Company, Consumer, Tax, Fintech, and Artificial Intelligence.

FlyFin’s developer surface includes engineering blog, support, and 5 more developer resources.

12.3/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyConsumerTaxFintechArtificial IntelligenceAccountingFreelanceSelf-Employed

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 12.3/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 1.3 / 20
Commercial Clarity 4.2 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/flyfin: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Flyfin Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: flyfin
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/flyfin.png
name: FlyFin
description: FlyFin is an AI-powered tax preparation and filing platform for freelancers, self-employed individuals, 1099
  contractors, sole proprietorships, LLCs, S-Corps, C-Corps, partnerships, and W-2 employees. It pairs an A.I. deduction scanner
  that connects to 2,000+ financial institutions through Plaid with a team of certified CPAs who prepare and file federal
  and state returns. The product suite includes a quarterly tax calculator, a CPA-certified AI tax assistant for unlimited
  questions, audit insurance with IRS representation, and Excel tax-summary exports. FlyFin operates as a consumer mobile
  and web application (iOS and Android) and does not publish a public developer API. It was surfaced as a portfolio company
  of Accel and added to the API Evangelist network for enrichment.
url: https://raw.githubusercontent.com/api-evangelist/flyfin/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- accel
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Consumer
- Tax
- Fintech
- Artificial Intelligence
- Accounting
- Freelance
- Self-Employed
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://flyfin.tax/
- type: Blog
  url: https://flyfin.tax/blog
- type: Support
  url: https://flyfin.tax/contact-us
- type: PrivacyPolicy
  url: https://flyfin.tax/privacy-policy
- type: TermsOfService
  url: https://flyfin.tax/terms-of-service
- type: Partners
  url: https://flyfin.tax/partner-with-us
- type: DomainSecurity
  url: security/flyfin-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence