Use Case: REST Latest Rates for a Portfolio Dashboard
A sample Exchange Rates API pricing simulation for polling latest REST exchange rates for multiple assets.
Use Case: REST Latest Rates for a Portfolio Dashboard
This example estimates the cost of polling current exchange rates for a small portfolio dashboard.
Assumptions
| Item | Value |
|---|---|
| Protocol | REST |
| Endpoint pattern | GET /v1/exchangerate/{asset_id_base}?filter_asset_id={quote_assets} |
| Base assets | BTC, ETH, SOL, XRP, ADA |
| Quote assets | USD, EUR |
| Rates per polling cycle | 10 rates |
| Polling frequency | Every 5 minutes |
| Polling cycles per day | 288 |
| Estimated usage | 2,880 rates/day |
Example requests:
| Asset | Example endpoint |
|---|---|
| BTC | GET /v1/exchangerate/BTC?filter_asset_id=USD,EUR |
| ETH | GET /v1/exchangerate/ETH?filter_asset_id=USD,EUR |
| SOL | GET /v1/exchangerate/SOL?filter_asset_id=USD,EUR |
| XRP | GET /v1/exchangerate/XRP?filter_asset_id=USD,EUR |
| ADA | GET /v1/exchangerate/ADA?filter_asset_id=USD,EUR |
Rate usage
Each polling cycle returns:
5 base assets × 2 quote assets = 10 rates
Daily usage:
10 rates × 288 polling cycles = 2,880 rates/day
Pay As You Go estimate
Using the daily tiered rate pricing:
| Tier | Usage | Cost |
|---|---|---|
| First 100 rates/day | 100 | $0.50 |
| Next 100 rates/day | 100 | $0.40 |
| Next 100 rates/day | 100 | $0.30 |
| Next 100 rates/day | 100 | $0.20 |
| Next 600 rates/day | 600 | $0.60 |
| Remaining rates | 1,880 | $0.94 |
| Total/day | 2,880 | $2.94 |
Estimated 30-day usage:
$2.94 × 30 = $88.20/month
Plan comparison
| Plan | Price per Credit | Monthly cost | Included credits | Estimated monthly cost |
|---|---|---|---|---|
| Pay As You Go | $1.00/Credit | No commitment | N/A | $88.20 |
| Committed 64 | $0.85/Credit | $64 | ~75.29 credits | $76.91 |
| Committed 256 | $0.75/Credit | $256 | ~341.33 credits | $256.00 |
| Committed 512 | $0.70/Credit | $512 | ~731.43 credits | $512.00 |
| Committed 1024 | $0.65/Credit | $1,024 | ~1,575.38 credits | $1,024.00 |
Result
For this sample, Committed 64 has the lowest estimated cost.
Pay As You Go may still be simpler if usage is occasional or unpredictable. Larger committed plans are better suited for customers with higher recurring monthly usage.
Caveat
Actual usage depends on the number of requested asset pairs, polling frequency, and whether one endpoint response returns multiple rates.
Use Case: REST Historical Daily Exchange Rates for Reporting
A sample Exchange Rates API pricing simulation for downloading one year of historical daily rates for multiple asset pairs.
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A sample Exchange Rates API pricing simulation for streaming real-time exchange rates over WebSocket.