How We Test Spot Trading Services

At Blockport, we focus on technical verification when evaluating platforms. Our reviews of spot trading services combine infrastructure testing, API analysis, and performance measurement across clearly defined parameters.

Our Testing Methodology

We never accept payment for reviews or ratings. Each platform follows the same testing procedures, ensuring that our results are reproducible and comparable.

Our approach blends automated scripts with hands-on testing. Our technical team registers accounts, completes KYC procedures, deposits funds, and executes trades while recording performance metrics at every stage. We track latency, API responses, execution quality, and system behavior under different load conditions. Before publishing any findings, platforms are tested under both controlled and stress scenarios.

Core Evaluation Criteria

Trading Infrastructure & Execution (Weight: 25%)

Our team tracks actual system performance rather than advertised specifications:

• Order matching engine latency (measured in milliseconds)
• API rate limits and throttling behavior
• WebSocket feed stability and update frequency
• Order execution slippage on market and limit orders
• Fill quality across order sizes

Testing combines automated scripts with live trades to measure response times, partial fills, and deviations from the NBBO (National Best Bid and Offer).

Technical Architecture & Performance (Weight: 20%)

Reliable infrastructure is crucial for algorithmic and high-frequency trading:

• API uptime and error rates
• WebSocket connection stability
  
• Rate-limit handling and recovery
• System response during volatility spikes
• Historical outages and incident response times

We monitor API endpoints continuously, test reconnection logic, and measure degradation during network congestion or market volatility.

Fee Structure & Actual Costs (Weight: 20%)

To understand true costs, we look beyond advertised rates:

• Maker/taker fee schedules across VIP tiers
• Network fee pass-through vs. markup
• Deposit and withdrawal costs (on-chain verification)
• Spread analysis on low-liquidity pairs
• Hidden conversion fees

Trades of varying sizes are executed, withdrawals verified on-chain, and all costs – including slippage – are calculated to ensure an accurate view.

Liquidity & Market Depth (Weight: 15%)

Order book quality affects execution for any trade size:

• Supported trading pairs and base currencies
• Order book depth at 1%, 5%, and 10% price deviation
• Bid-ask spreads during normal and volatile periods
• Market impact for standard trade sizes ($10K, $100K, $1M)

During the test, we check order book depth programmatically, calculate market impact for reference trade sizes, and monitor spread behavior during documented volatility events.

Security Infrastructure (Weight: 10%)

We verify security implementation through testing and documentation review:

• Custody architecture (hot/cold wallet ratios if disclosed)
• API key permission scoping and IP whitelisting
• Withdrawal authorization workflows
• Two-factor authentication implementation
• Historical security incidents and response transparency

We test API security features, withdrawal approval mechanisms, and review published security audits when available.

API Quality & Documentation (Weight: 10%)

API quality matters for algorithmic traders and integrators:

• REST API completeness and consistency
• WebSocket feed reliability and data quality
• Documentation accuracy and code examples
• SDK availability and maintenance
• Error handling and rate limit information

We validate endpoints against documentation, check feed accuracy, and assess error reporting for debugging clarity.

Rating Scale

We use a 5-star system based on measured performance:

★★★★★ Exceptional – Meets or exceeds specifications across all parameters
★★★★ Excellent – Above-average performance with minor limitations
★★★ Good – Meets baseline requirements with acceptable performance
★★ Fair – Below-average performance or significant technical limitations
★ Poor – Critical deficiencies affecting functionality or reliability

What We Don’t Do

• Accept payment for ratings or reviews
• Review platforms without direct API and trading access
• Rely on platform-provided performance claims without verification
• Rate platforms where regional restrictions prevent full testing
• Allow commercial relationships to influence technical assessments

Continuous Monitoring

Platform infrastructure evolves continuously. We update reviews to reflect technical changes:

• Critical updates: Immediate revision after API changes, security incidents, or major outages
• Regular testing: Quarterly verification of API functionality, fee structures, and performance metrics
• Infrastructure changes: Updates when platforms modify custody, matching engines, or system architecture

Methodology Transparency

Scoring criteria and weights undergo annual technical review. All changes are applied consistently and documented with effective dates. 

Testing scripts and measurement methods are available upon request.

Geographic Testing

Platform behavior varies by jurisdiction. We document:

• Testing location and network conditions
• Regional API endpoints tested
• Jurisdiction-specific features or limitations
• Supported fiat on-ramps by region

Questions About Our Process?

We welcome technical feedback on our methodology. For questions about specific tests, measurement procedures, or to suggest additional verification methods, contact our technical team at [email protected]

Our process prioritizes reproducible, verifiable technical measurements over subjective assessments.

Last updated: 20/11/2025

Next methodology review: expected