Detailed technical benchmark and comparison between Twelve Data API and Alpha Vantage API. Analyze pricing structures, verified webhooks, sandbox testing, authentication, and compliance for teams building in Nigeria.
Twelve Data - Stocks, forex, crypto and ETFs, time series and indicators
Access stock, forex, crypto & economic data in one API
Twelve Data API is best for developers building Financial Data & Markets applications needing a reliable free tier.
Alpha Vantage API is best for developers in US and supported markets building stock market analytics tools, forex dashboards, and crypto data applications requiring OHLCV, technical indicators, and fundamental data.
| Highlight | T Twelve Data API | A Alpha Vantage API |
|---|---|---|
| Authentication | API key | API Key |
| Rate Limit | Free Basic plan (key required) | 25 req/day on free tier; up to 1,200 req/min on Enterprise |
| Sandbox Mode | ✗ Not Available | ✗ Not Available |
| Webhooks | ✗ Not supported | Not verified yet |
| API Services | REST APIJSON ResponsesAPI Key AuthenticationRate Limiting | Stock / Equity Price DataCompany Financial Statements & FundamentalsHistorical Market DataReal-time Quote Updates |
| Supported Regions |
| Fee Component | T Twelve Data API | A Alpha Vantage API |
|---|---|---|
| Free Tier / Trial Credits | Contact provider | Free:25 req/day, 500 req/month |
| Rates & Additional Terms | Basic plan (key required) |
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