API & Data Feed Access

Developer Resources

1. Overview

The CSIMarket API & Data Feed platform delivers structured financial datasets in standardized machine-readable formats. Designed for enterprise engineering teams, AI platforms, and quant research, our feeds support high-volume ingestion, automation, backtesting, and LLM/RAG integration.

• Normalized fundamentals (20+ years)
• Financial ratios, profitability metrics, and growth indicators
• Industry & sector aggregates (YoY, QoQ, TTM)
• Market data (performance, volatility, returns, YTD ranges)
• Business segments & geographic breakdowns
• Supply-chain: customer/supplier network intelligence
• Macroeconomic indicator alignment (NAICS)
• Embeddings-ready long-form & wide-format tables

More information →

2. Available API Categories

• /industries Industry growth, profitability, valuation, financial strength and benchmarking.
• /sectors Sector-level analytics and rankings.
• /companies Company fundamentals, ratios, scores and quantitative profiles.
• /income-statements Normalized financial statements.
• /balance-sheets Balance sheet datasets.
• /cash-flow-statements Cash flow datasets.
• /exports Asynchronous export jobs.
• /license Usage, rate limits and audit logs.
• /api/discovery Metadata and schema discovery.

Full endpoint documentation is provided upon request.

3. Data Formats

API and feeds are available in:

• JSON & NDJSON (streaming-friendly)
• CSV (normalized long-form & wide-form)
• Parquet (optimized for ML/RAG pipelines)
• SFTP & scheduled delivery
• Bulk historical ZIP archives

4. Authentication

API access uses secure API keys assigned per organization. Optional IP whitelisting and high-frequency rate tiers are available for enterprise clients.

5. Metadata & Discovery

CSIMarket provides machine-readable discovery endpoints for developers, AI systems, and enterprise integrations.

7. Code Examples

curl -X GET "https://api.csimarket.com/v1/fundamentals?symbol=AAPL" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Accept: application/json"

            

import requests

API_KEY = "YOUR_API_KEY"
BASE_URL = "https://api.csimarket.com/v1/fundamentals"

params = {"symbol": "AAPL"}
headers = {"Authorization": f"Bearer {API_KEY}"}

response = requests.get(BASE_URL, params=params, headers=headers)
print(response.json())

            

import axios from "axios";

const API_KEY = "YOUR_API_KEY";

async function run() {
  const res = await axios.get("https://api.csimarket.com/v1/fundamentals", {
    params: { symbol: "AAPL" },
    headers: { Authorization: `Bearer ${API_KEY}` }
  });

  console.log(res.data);
}

run();

            

require 'net/http'
require 'json'

url = URI("https://api.csimarket.com/v1/fundamentals?symbol=AAPL")

req = Net::HTTP::Get.new(url)
req["Authorization"] = "Bearer YOUR_API_KEY"

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

res = http.request(req)
puts JSON.parse(res.body)

            

Request Access

Developers can explore public metadata, schemas, discovery endpoints and OpenAPI documentation without a license. Commercial API access requires an API key.