Introducing EMS Trading API  EMS Trading API

- Unlimited trading accounts in just one place.

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Indexes API Comprehensive Cryptocurrency Index Data

The Index API provides developers with access to real-time and historical cryptocurrency index data, offering a powerful tool for tracking market trends, performing analysis, and building innovative financial applications.
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# of Data Sources
7702
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Indexes tracked
2252
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Assets covered
100
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Update frequency

What you get

Ultra-Fast Index Updates
Stay ahead of the market with index values updated every 100ms. This high-frequency update ensures you're always working with the most current data, critical for time-sensitive trading strategies and real-time market analysis.
Wide Asset Coverage
Access a wide array of pre-calculated indices along with the flexibility to create custom ones. This comprehensive ecosystem allows you to track broad market trends, focus on specific sectors, or tailor indices to your unique requirements, all through a single API.
Compliance-Ready Data
We meet the requirements of IFRS 13 and FASB ASC 820, so the data you're using for financial reporting, fair value measurements, and risk assessments aligns with international accounting standards, providing reliability and credibility to your financial applications and reports.

Key features

Transparent and Auditable
Calculations are fully transparent and auditable. We provide detailed documentation of our algorithms, asset selection criteria, and rebalancing procedures, allowing for independent verification and ensuring the highest level of trust in our data.
Real-time & Historical Data
Retrieve up-to-the-minute index values and historical data, with granularity ranging from 1 second to 5 years. Historical data was calculated using the same algorithm as real-time data.
High Frequency Updates
Experience low-latency, high-throughput data transmission with index values updated every 100ms, providing real-time data crucial for time-sensitive operations is necessary to eliminate adverse selection.
Flexible API Protocols
Choose from WebSocket and REST API protocols to suit your specific needs.
Standardized Data Format
Benefit from unified data formatting across all indices for easier integration and analysis.
Index Components
Access detailed information on index constituents, including weights and rebalancing data.
Custom Index Creation
Ability to create and track custom indices based on specific criteria or asset selections is possible via Enterprise plan.
Robust Data Redundancy
We leverage data from multiple sources, ensuring comprehensive coverage and built-in redundancy. This approach guarantees continuity and accuracy, even in the event of individual exchange outages or anomalies.
Independent Data
Our company does not trade underlying assets or offer direct investment products based on our indices. We self-source our data to ensure unbiased and reliable index calculations.
Index Types
Volume-Weighted Average Price Index (VWAP)
Principal Market Price Index (PRIMKT)
Use Cases
Build Sophisticated Financial Products
Benchmark Fund Performance
Settle Derivative Contracts
Backtest Investment Strategies
Generate Compliant Financial Reports
Develop Advanced Trading Algorithms

Resilient Infrastructure

Global Presence: Geographical distributed infrastructure

Data Source Colo: Presence close to the data sources

Ultra-Low Latency: Rapid response times in all regions

Smart Routing: Automatic connection to nearest server

High Uptime: Robust backup systems for continuous service

Scalable: Effortlessly handles surges in data volume

No Maintenace: We do not have visible maintenances

Dedicated Interconnection Add-ons

Cloud Direct: AWS DC / GCP IC

VPC Peering: GCE / AWS VPC AZ Peering

Physical Cross Connect: Equinix (TY8, NY4, LD4)

Tailor your connection to your exact needs. Our flexible options ensure optimal performance, security, and integration with your existing infrastructure.

View Real-Time Network Status

Why developers love us?

We empower developers with tools and resources that streamline their workflow, allowing them to create innovative solutions faster and more efficiently.

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Unified Ecosystem
Access a cohesive platform where all components work seamlessly together, eliminating compatibility headaches and streamlining your development process.
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Plug-and-Play Solutions
Leverage our modular architecture to rapidly build and customize your applications. Mix and match components to create tailored solutions effortlessly.
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Developer-Centric Design
Experience a platform built by developers, for developers. Our intuitive design and developer-first approach make complex tasks feel effortless.

Flexible Plans Tailored to Your Data Needs

Pay as you go
Tailored for individuals, small teams, and ad-hoc users. Get started with $25 in free credits. No credit card required.
Metered usage
monthly
  • $25.00 Free Credits
  • Historical & Real-time Data
  • REST & WebSocket Protocols
  • Access to All Indexes
  • $0.6 / 1,000 API Calls
  • $3.75 / GB of Data Transfer
  • Volume Discounts
  • Email Support
Business
Reliable access for growing businesses. Includes generous API call and data transfer quotas with predictable pricing.
$599
monthly
  • Pay-as-you-go Plan Features
  • 100,000 API Calls included
  • $0.2 / 1,000 API Calls above plan
  • 16 GB Data Transfer included
  • $1.25 / GB Data Transfer above plan
  • Customer Success Representative
  • 99% Uptime SLA
Enterprise
Custom solutions for high-volume needs. Tailored limits, premium support, and advanced features.
Custom
monthly
  • Business Plan Features
  • FIX API Protocol
  • Custom Limits & Quotas
  • Custom Index Calculation
  • Onboarding Services
  • Project Tailored SLAs
  • Premium 24/7 Support
  • Dedicated Slack Channel
Compare plans and features
Pay as you go
Business
Enterprise
Protocols
REST API
WebSocket API
FIX API
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Custom
Included Usage
API calls
Requests to our servers. Pricing tiers based on daily usage, calculated per 1,000 calls. Rates decrease with higher volume. Tiers reset daily.
0 / day then up to $0.60 per 1,000 calls
100,000 / day then up to $0.20 per 1,000
Custom
Data transfer
Information sent from our servers in response to API calls. Pricing tiers based on daily usage, measured in GB. Rates decrease with higher volume. Tiers reset daily.
0 GB / day then up to $3.75 per GB
16 GB / day then up to $1.25 per GB
Custom
Data Availability
Available indexes
All
All
Custom
Custom Index Calculation
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-
Custom
Support & Services
Dedicated Slack Channel
$200 / mo
$200 / mo
Customer Success Representative
-
Onboarding
Self-serve
Self-serve
Custom
Uptime SLA
-
99.9%
Custom
Premium support
High Support SLA and additional channels available 24/7
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-
Custom

Transparent, scalable, usage-based pricing

API Calls

API calls are requests made to our servers to retrieve data. Each time you fetch data, send us a subscribe message, or perform any action using our API, it counts as one call.

Pricing is tiered based on your daily usage:

  • Calculated per 1,000 calls
  • Tiers reset daily
  • Rates decrease as usage increases
  • Usage covered by the committed-usage plan quota is counted

Higher volume users automatically benefit from lower rates. See the table below for specific pricing tiers.

Daily Usage Tier
Price
First 50,000 calls
$0.60 per 1,000 calls
50,001 - 100,000 calls
$0.40 per 1,000 calls
Above 100,000 calls
$0.20 per 1,000 calls
Fequently Asked Questions
What is the Indexes API?
What is counted as API Call?
Which Indexes API plan is right for me?
Can I customize my plan?
Do you offer a free trial?
How do I change my plan?
What is a billing cycle?
Can I pay by invoice?
What happens if my payment fails?
How do I pay overdue invoices?

Need advice? Get in touch with our experts

Let's chat

We’re ready to engage in conversation for any specific requirements you might have.

Need help choosing? Our sales team is ready to help you select the plan that best suits your business’s needs

Have questions or concerns? Our team is here to assist you.

Looking for a quote on an enterprise plan? Request an estimate today.

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Our core values

Why Choose CoinAPI?

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Uninterrupted Service
Our distributed infrastructure have 100ms-level failover time. Standard SLA included to all subscriptions. Experience seamless operations, regardless of local disruptions.
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Comprehensive API Suite
Access our full range of financial data through a single, unified API ecosystem, simplifying integration and reducing development time.
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Tailored Data Solutions
From unique order types to proprietary exchange data, we support custom requests that go beyond standard offerings, adapting to your specific integration requirements.
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Real-time & interconnects
We operate on proprietary infrastructure, ensuring the lowest latency and highest uptime in the industry. Our global network using UDP na BGP protocols to exchange data directly between our data centers and Customers.
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Real-time and historical data from all exchanges
Seamlessly access both real-time and historical data from over 300 data sources in same format, enabling thorough market analysis and informed decision-making.
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