4
Lago
Lago is an open-source billing platform that links product usage and commercial terms to customer invoices.
Free planOpen sourceWebAPISelf-hosted
7.5Free plan
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5
Younium
Younium is a subscription management platform for B2B SaaS and technology companies.
AndroidiOSWebAPI
7.4From 500 SEK a month
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6
DigitalAPI
DigitalAPI brings APIs from different gateways into a shared catalogue for developers, partners, and AI agents.
WebAPISelf-hosted
7.1From $2,500 a month
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7
Orb
Orb is a web and API platform for usage-based billing, hybrid pricing, and revenue workflows.
WebAPI
6.8
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8
Revenium
Revenium is a cloud-based service for tracking AI costs, controlling spending and connecting usage to business outcomes.
Free planWebAPI
6.8Free plan
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9
Stigg
Stigg is a usage runtime for engineering teams managing access, usage and spending controls for AI products.
Free planWebAPISelf-hosted
6.6From $399 a month
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10
Automic Continuous Delivery Automation
Automic Continuous Delivery Automation orchestrates application releases and deployments, with real-time monitoring and release reporting.
WebAPILinuxSelf-hosted
6.5
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11
Maxio
Maxio combines billing and financial reporting in a quote-to-cash platform for B2B SaaS and AI companies.
WebAPI
6.5From $599 a month
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12
SAP Extended Enterprise Content Management by OpenText
AndroidiOSWebLinux
6.4
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13
Gotransverse
Gotransverse is a SaaS platform for billing and revenue management, positioned for enterprise finance and revenue operations teams with complex billing needs.
WebAPI
6.3
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14
Moesif
Moesif is an API analytics and monetization platform for tracking usage and understanding how customers consume APIs.
Free planWebAPISelf-hosted
6.3Free plan
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15
Sentinel EMS
WebAPILinuxmacOS
6.3
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16
Kong Konnect
WebLinuxmacOSWindows
6.2From $25 a month
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17
Metronome
Metronome is a hosted usage-based billing platform for software companies.
WebAPI
6.2
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18
Fiorano API Management
Fiorano API Management is a full-lifecycle platform for building, running, exposing and governing APIs.
WebAPISelf-hosted
6.1
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19
SAP API Management
WebAPISelf-hosted
6.1From $5,339 a month
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20
Tyk API Management
Tyk API Management is a platform for developing, operating, governing, and publishing APIs.
WebAPILinuxSelf-hosted
6.1
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21
API7 Enterprise
API7 Enterprise manages API lifecycle workflows across teams and environments, using an Apache APISIX data plane with centralized management.
WebAPILinuxSelf-hosted
6.0
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22
webMethods API Management
webMethods API Management manages APIs from design and publication through runtime governance, security, and usage monitoring.
WebAPISelf-hosted
6.0
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23
Gravitee API Management
WebLinuxWindows
5.9From $2,500 a month
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24
OpenMeter
OpenMeter measures usage, enforces access, and supports billing for AI, API, SaaS, and developer-tool products.
WebAPISelf-hosted
5.9
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25
APIwiz
APIwiz is a web platform for managing APIs across design, deployment, monitoring, and monetization.
Web
5.8
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26
Aria Billing
Aria Billing is an enterprise SaaS platform for automating billing and order-to-cash work for businesses with complex subscriptions and usage.
WebAPI
5.8
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27
Google Apigee
Google Apigee is a web-based API management service with a hybrid deployment model.
Web
5.8From $365 a month
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28
IBM API Connect
Web
5.8From $83 a month
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29
Zuora Billing
Zuora Billing automates invoicing and billing for subscription, usage-based, and hybrid pricing strategies.
WebAPI
5.8
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30
Apiable
Apiable provides a branded API portal and partner onboarding and monetization layer that connects to an existing API gateway.
WebAPISelf-hosted
5.5
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