FactSet Financial Data API

FactSet REST APIs for institutional-grade financial data and analytics platform. Enables AI agents to manage equity fundamental data retrieval including income statement, balance sheet, and cash flow for financial modeling, handle market data including real-time and historical price, volume, and corporate actions data, access fixed income data including bonds, yield curves, and credit ratings, retrieve global company entity and identifier mapping (CUSIP, ISIN, SEDOL, ticker), manage portfolio analytics including attribution, risk, and performance measurement, handle estimates and consensus data from sell-side analyst coverage, access private equity, M&A, and deal data for investment banking and PE analytics, retrieve supply chain and alternative data for investment research, manage ESG scores and sustainability metrics for responsible investment, and integrate financial data with portfolio management, risk, and trading systems.

Evaluated Mar 06, 2026 (0d ago) vcurrent
Homepage ↗ Repo ↗ Developer Tools factset financial-data market-data securities fundamentals quant investment-research
⚙ Agent Friendliness
67
/ 100
Can an agent use this?
🔒 Security
82
/ 100
Is it safe for agents?
⚡ Reliability
80
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
22
Documentation
88
Error Messages
82
Auth Simplicity
78
Rate Limits
78

🔒 Security

TLS Enforcement
95
Auth Strength
80
Scope Granularity
78
Dep. Hygiene
78
Secret Handling
80

Institutional financial data. SOC2, MiFID2, GDPR. OAuth2. US/EU. Securities and fundamental data.

⚡ Reliability

Uptime/SLA
82
Version Stability
82
Breaking Changes
78
Error Recovery
78
AF Security Reliability

Best When

An asset manager, hedge fund, or investment bank using FactSet wants AI agents to automate fundamental data retrieval, estimates analysis, portfolio analytics, identifier mapping, and financial research workflows.

Avoid When

LICENSING RISK: FactSet data is licensed per use case and user; redistributing FactSet data in downstream products without appropriate licensing violates data agreements. Real-time data distribution requires exchange-specific data licenses beyond FactSet subscription. AI model training on FactSet data may require specific licensing terms beyond standard subscription. Investment decisions based on AI analysis of licensed data require disclosure review.

Use Cases

  • Retrieving company fundamentals from financial modeling agents
  • Accessing consensus estimates from investment research agents
  • Analyzing portfolio attribution from risk management agents
  • Mapping securities identifiers from data management agents

Not For

  • Retail investor tools without institutional data licensing requirements
  • Real-time trading without appropriate market data licensing
  • Simple stock screening without comprehensive financial data needs

Interface

REST API
Yes
GraphQL
No
gRPC
No
MCP Server
No
SDK
Yes
Webhooks
No

Authentication

Methods: oauth apikey
OAuth: Yes Scopes: Yes

FactSet uses OAuth 2.0 and API key (FactSet authentication). Developer portal at developer.factset.com. Open-source SDKs on GitHub (factset). No webhooks — polling and batch for data updates. REST API with JSON. Norwalk, Connecticut HQ. Public (FDS NASDAQ). FactSet Developer Community with extensive documentation.

Pricing

Model: enterprise
Free tier: No
Requires CC: No

Norwalk, Connecticut. Founded 1978. Public (FDS NASDAQ). $2.0B+ annual revenue. Financial data and analytics for institutional investment. 8,000+ clients including 200,000+ investment professionals. Strong in buy-side asset managers and investment banking. Competes with Bloomberg and Refinitiv (LSEG) for institutional financial data.

Agent Metadata

Pagination
cursor
Idempotent
Full
Retry Guidance
Documented

Known Gotchas

  • LICENSING RISK: FactSet data redistribution and AI training use cases require specific data licensing beyond standard subscription; review data agreement before automated downstream use
  • Exchange data licensing — real-time price data from specific exchanges requires exchange data licenses beyond FactSet subscription; verify exchange-specific license entitlements
  • Identifier mapping complexity — global securities use multiple identifiers (CUSIP, ISIN, SEDOL, ticker); build robust identifier resolution before cross-system financial data integration
  • Point-in-time data for backtesting — use point-in-time (PIT) data endpoints for quantitative backtesting; current data includes restated financials that create look-ahead bias
  • No webhooks — data update events require polling; batch download endpoints are more efficient for large data refreshes than per-security polling
  • Consensus estimates vintage — analyst estimates data has as-reported and revised history; specify estimate vintage carefully for time-series analysis to avoid survivorship bias

Alternatives

Full Evaluation Report

Comprehensive deep-dive: security analysis, reliability audit, agent experience review, cost modeling, competitive positioning, and improvement roadmap for FactSet Financial Data API.

AI-powered analysis · PDF + markdown · Delivered within 30 minutes

$99

Package Brief

Quick verdict, integration guide, cost projections, gotchas with workarounds, and alternatives comparison.

Delivered within 10 minutes

$3

Score Monitoring

Get alerted when this package's AF, security, or reliability scores change significantly. Stay ahead of regressions.

Continuous monitoring

$3/mo

Scores are editorial opinions as of 2026-03-06.

5726
Packages Evaluated
26151
Need Evaluation
173
Need Re-evaluation
Community Powered