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APIs · head to head

Microsoft Azure API Management vs Splunk Enterprise Security

Microsoft Azure API Management logo

Microsoft Azure API Management

APIs

Hybrid, multi-cloud API management service on Azure

From
Free
Rated
-
Splunk Enterprise Security logo

Splunk Enterprise Security

Cybersecurity

The platform for operational intelligence

From
On request
Rated
-

The short version

  • Only Microsoft Azure API Management has a free tier, so it costs nothing to try first.
  • Each has a real cost: Microsoft Azure API Management prices are not shown on the pricing page itself; every tier renders as a placeholder and routes to the calculator or sales; Splunk Enterprise Security splunk Enterprise Security is licensed separately from the Splunk platform, so a SIEM deployment needs both
  • They diverge on capability: Microsoft Azure API Management covers API Gateway, Splunk Enterprise Security covers Security monitoring.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Microsoft Azure API Management and Splunk Enterprise Security actually diverge.

Attributes where Microsoft Azure API Management and Splunk Enterprise Security differ
AttributeMicrosoft Azure API ManagementSplunk Enterprise Security
Starting priceFreeOn request
Free tierYesNo
PlatformsCloud, Hybrid, Multi-cloudWeb, Api
CategoryAPIsCybersecurity
Founded19752003

Identical on both: pricing model (subscription), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Microsoft Azure API Management

  • API Gateway
  • Developer Portal
  • API Policies
  • Azure services
  • On-premises
  • Cloud support
  • Hybrid support
  • Multi-cloud support

Only in Splunk Enterprise Security

  • Security monitoring
  • Incident review
  • Risk-based alerting
  • Threat intelligence
  • Investigation workbench
  • MITRE ATT&CK mapping
  • Automated response
  • Compliance reporting

Both cover

  • AWS
  • Google Cloud

What people use each for

The jobs each tool is most often brought in to do.

Microsoft Azure API Management

  • API gateway and lifecycle management on Azurenot Splunk Enterprise Security
  • Throttling, keys and policies in front of backend servicesnot Splunk Enterprise Security
  • Developer portal for internal and partner APIsnot Splunk Enterprise Security
  • Hybrid deployments using self-hosted gatewaysnot Splunk Enterprise Security

Splunk Enterprise Security

  • Running a security operations centre on Splunk indexed log datanot Microsoft Azure API Management
  • Correlation searches, risk based alerting and incident investigationnot Microsoft Azure API Management
  • Compliance reporting from pooled security telemetrynot Microsoft Azure API Management

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Microsoft Azure API Management

  • Prices are not shown on the pricing page itself; every tier renders as a placeholder and routes to the calculator or sales
  • Two parallel generations of tiers, classic and v2, so the choice is which lineage before which size
  • The Developer tier is explicitly not for production
  • Self-hosted gateways and workspace gateways are charged separately from the service

Splunk Enterprise Security

  • Splunk Enterprise Security is licensed separately from the Splunk platform, so a SIEM deployment needs both
  • Splunk publishes no rate for Enterprise Security and directs buyers to contact a pricing expert
  • UEBA, SOAR and automated threat analysis require the Premier edition rather than Essentials
  • The platform underneath can be billed by ingest volume, workload or activity, so the total cost depends on a pricing model chosen at contract time rather than a list price

Pricing, plan by plan

Microsoft Azure API Management

Free
  • ConsumptionFree
    • 0-1 million API operations free monthly per subscription
  • Basic v2$undefined/mo
    • 10 million API requests included monthly
  • Standard v2$undefined/mo
    • 50 million API requests included monthly
  • Premium v2$undefined/mo
    • Unlimited included API requests

Splunk Enterprise Security

On request
  • Workload PricingFree
    • Pay per compute
    • Flexible scaling
    • All features
  • Ingest PricingFree
    • Pay per GB ingested
    • Predictable costs
    • All features
  • Entity PricingFree
    • Pay per monitored entity
    • Security focused
    • All features

Which should you pick?

Choose Microsoft Azure API Management if

  • You need api gateway.
  • You want to start without paying.
  • You work on Cloud, Hybrid, Multi-cloud.
  • You also want developer portal.

Choose Splunk Enterprise Security if

  • You need security monitoring.
  • You work on Web, Api.
  • You also want incident review.

Questions people ask

Is Microsoft Azure API Management or Splunk Enterprise Security better?
Neither clearly leads. Microsoft Azure API Management starts at Free and Splunk Enterprise Security at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Microsoft Azure API Management or Splunk Enterprise Security?
Microsoft Azure API Management has a free tier; the other does not. Paid plans start at Free for Microsoft Azure API Management and On request for Splunk Enterprise Security.
Does Microsoft Azure API Management or Splunk Enterprise Security run on more platforms?
Microsoft Azure API Management runs on Cloud, Hybrid, Multi-cloud. Splunk Enterprise Security runs on Web, Api.
Can I use Microsoft Azure API Management for free?
Yes. Microsoft Azure API Management has a free tier, so you can try it without paying. Splunk Enterprise Security starts at On request.
What is Microsoft Azure API Management best used for?
Microsoft Azure API Management is most often used for api gateway and lifecycle management on azure, throttling, keys and policies in front of backend services, developer portal for internal and partner apis, hybrid deployments using self-hosted gateways. Of those, api gateway and lifecycle management on azure and throttling, keys and policies in front of backend services are not what Splunk Enterprise Security is typically brought in for.
What can Microsoft Azure API Management do that Splunk Enterprise Security cannot?
Microsoft Azure API Management covers API Gateway, Developer Portal, API Policies, Azure services. Splunk Enterprise Security covers Security monitoring, Incident review, Risk-based alerting, Threat intelligence. Both handle AWS, Google Cloud.

Answered from the vendors’ own pages

Microsoft Azure API Management: Is Azure API Management free?

Azure API Management offers a Consumption tier with a free tier that includes 0-1 million API operations per subscription monthly at no cost, then charges per operation beyond that. Classic Consumption tier is pay-as-you-go billing.

Source
Splunk Enterprise Security: How much does Splunk Enterprise Security cost?

Splunk Enterprise Security pricing is not published. The product is available in Essentials Edition with threat detection, investigation, and response capabilities, and Premier Edition with UEBA, SOAR, and Automated Threat Analysis. Customers must contact Splunk sales for pricing quotes on either edition.

Source
Microsoft Azure API Management: What are the API request limits for Azure API Management's v2 tiers?

Basic v2 includes 10 million API requests monthly, Standard v2 includes 50 million monthly, and Premium v2 includes unlimited API requests. Additional requests beyond included amounts incur standard rates.

Source
Splunk Enterprise Security: What editions of Splunk Enterprise Security are available?

Splunk Enterprise Security offers Essentials Edition with threat detection, investigation, and response capabilities, and Premier Edition which adds UEBA (User and Entity Behavior Analytics), SOAR (Security Orchestration, Automation and Response), and Automated Threat Analysis.

Source
Microsoft Azure API Management: What cache capacity does each Azure API Management tier provide?

Basic v2 provides 250 MB built-in cache, Standard v2 provides 1 GB cache, and Premium v2 provides 5 GB cache capacity for response caching.

Source
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