Portfolio Optimizer is a Web API to analyze and optimize investment portfolios (collection of financial assets such as stocks, bonds, ETFs, crypto-currencies) using modern portfolio theory algorithms (mean-variance, VaR, etc.). API General Information P
https://api.portfoliooptimizer.io/v1
Auth type
API Key Header
Auth header
X-API-Key: YOUR_API_KEY
Rate limit
100 req/month (free)
Pricing
Enterprise / contact sales
Free quota
None
Documentation
https://portfoliooptimizer.io/
Endpoint status
Server online — HTTP 404 — server is online but path returned an error (may require auth)2.90s
(checked Mar 29, 2026)
Builder score
D
43%
builder-friendly
API key in the request header (X-API-Key)
X-API-Key: YOUR_API_KEY
Free: 100 req/month. Growth $49/mo, Pro $199/mo. Portfolio optimization engine.
| Method | Path | Description |
|---|---|---|
| POST | /assets/analysis/absorption-ratio |
Absorption Ratio |
| POST | /assets/analysis/turbulence-index |
Turbulence Index |
| POST | /assets/correlation/matrix |
Correlation Matrix |
| POST | /assets/correlation/matrix/bounds |
Correlation Matrix Bounds |
| POST | /assets/correlation/matrix/denoised |
Denoised Correlation Matrix |
| POST | /assets/correlation/matrix/distance |
Correlation Matrix Distance |
| POST | /assets/correlation/matrix/effective-rank |
Correlation Matrix Effective Rank |
| POST | /assets/correlation/matrix/informativeness |
Correlation Matrix Informativeness |
curl -X GET 'https://api.portfoliooptimizer.io/v1/assets/analysis/absorption-ratio' \ -H 'X-API-Key: YOUR_API_KEY'
{}
Data sourced from API Map. Always verify pricing and rate limits against the official Portfolio Optimizer documentation.