Track API Costs
in just 10 lines of Code


Track costs for per customer, agent, model, memory and ALL APIs

Trusted by thousands of teams

Trusted by thousands of teams

Trusted by thousands of teams

BUILT FOR DEVELOPERS

Stop Guessing API Costs

Track spending across 40+ different providers. See costs per customer, agents, or models.

Real-Time Cost Tracking

Every API call is tracked with accurate cost calculation. See exactly where your money is going.



Track Customer Costs

Perfect for SaaS founders. Track costs per customer to understand profitability and set pricing.



Track Customer Costs

Set budget limits with email alerts. Never go over budget again with automatic spending caps.



EASY INTEGRATION

10 Lines of Code to Start Tracking

Start tracking costs in seconds, not days

Works with All Major API Providers

Seamlessly integrates with OpenAI, Stripe, Google, VAPI, and 40+ more providers

Works with All Major API Providers

Seamlessly integrates with OpenAI, Stripe, Google, VAPI, and 40+ more providers

Works with All Major API Providers

Seamlessly integrates with OpenAI, Stripe, Google, VAPI, and 40+ more providers

Zero code changes required

Drop-in cost tracking without modifying your application code

Zero code changes required

Drop-in cost tracking without modifying your application code

Zero code changes required

Drop-in cost tracking without modifying your application code

Start seeing costs in < 1 minute

Instant cost tracking and analytics per user for all your API calls

Start seeing costs in < 1 minute

Instant cost tracking and analytics per user for all your API calls

Start seeing costs in < 1 minute

Instant cost tracking and analytics per user for all your API calls

FAST PERFORMANCE & ROBUST SECURITY

Automatic Cost Tracking for all APIs, not just LLMs

Stop calculating costs in spreadsheets. We track every API call and calculate costs automatically.

Real-time Cost Tracking

Monitor every LLM call and API request. See costs update in real-time as your agents make calls.

Real-time Cost Tracking

Monitor every LLM call and API request. See costs update in real-time as your agents make calls.

Real-time Cost Tracking

Monitor every LLM call and API request. See costs update in real-time as your agents make calls.

Per Customer Cost Tracking

Track costs per customer for your SaaS. See which customers are most expensive and optimize pricing.

Per Customer Cost Tracking

Track costs per customer for your SaaS. See which customers are most expensive and optimize pricing.

Per Customer Cost Tracking

Track costs per customer for your SaaS. See which customers are most expensive and optimize pricing.

Spending Caps

Set budget limits with email alerts and automatic blocking to prevent cost overruns.

Spending Caps

Set budget limits with email alerts and automatic blocking to prevent cost overruns.

Spending Caps

Set budget limits with email alerts and automatic blocking to prevent cost overruns.

SEAMLESS INTEGRATIONS

Track Costs for the Tools you Love

Skyline effortlessly tracks costs for all APIs, not just LLMs

PRICING PLANS

Simple pricing, powerful features

Free trial with credits

Monthly

Basic
$0

per month

Essential tools for small teams

Limited Cost Tracking

Limited Code Execution Visualization

Unlimited docs

Limited Chat

Up to 5 Custom API Integrations

Basic analytics

Email support

Pro

Most Popular

$8

per month

Advanced features for fast growing teams

Unlimited Cost Tracking

Unlimited Code Execution Visualization

Unlimited docs

Unlimited chat

Unlimited Custom API Integrations

Advanced analytics

Priority email support

Monthly

Basic
$0

per month

Essential tools for small teams

Limited Cost Tracking

Limited Code Execution Visualization

Unlimited docs

Limited Chat

Up to 5 Custom API Integrations

Basic analytics

Email support

Pro

Most Popular

$8

per month

Advanced features for fast growing teams

Unlimited Cost Tracking

Unlimited Code Execution Visualization

Unlimited docs

Unlimited chat

Unlimited Custom API Integrations

Advanced analytics

Priority email support

Monthly

Basic
$0

per month

Essential tools for small teams

Limited Cost Tracking

Limited Code Execution Visualization

Unlimited docs

Limited Chat

Up to 5 Custom API Integrations

Basic analytics

Email support

Pro

Most Popular

$8

per month

Advanced features for fast growing teams

Unlimited Cost Tracking

Unlimited Code Execution Visualization

Unlimited docs

Unlimited chat

Unlimited Custom API Integrations

Advanced analytics

Priority email support

Track API Costs
in just 10 lines of Code


SEE WHAT CUSTOMERS ARE SAYING

Engineering Teams Ship Faster with Zero Guesswork around API Spend

Initial Free Trial Offered

“We plugged it into our codebase in 5 minutes and instantly discovered APIs burning 40% of our monthly budget.”

The auto-instrumentation is insane — no manual setup, no dashboards to wire up.

Sarah Mitchell

Staff Software Engineer at Nebula Systems

“The clarity this tool gives us around OpenAI, Stripe, Pinecone, and internal microservice costs is unmatched.”

The per-endpoint cost breakdown and developer-level analytics helped us kill $1.2k/month of silent API leakage.

Alex Parker

Software Engineer at TechWave

“Finally a single dashboard that tells me exactly which API calls are expensive without manually tracing everything.”

Huge productivity win.

Alex Robinson

CTO at NexaTech

“We caught a runaway vector-search job that was costing $90/day this tool literally saved our launch budget.”

The real-time alerts + spend caps gave us confidence to scale our agent pipelines.

Maria Latipova

Head of AI at Flowstack

GOT QUESTIONS?

Everything You Need to Know, All in One Place

Discover quick and comprehensive answers to common questions about our platform, services, and features.

Can I cancel my subscription at any time?

Can I cancel my subscription at any time?

Can I cancel my subscription at any time?

Is my data secure on your platform?

Is my data secure on your platform?

Is my data secure on your platform?

Can I change my plan after I’ve subscribed?

Can I change my plan after I’ve subscribed?

Can I change my plan after I’ve subscribed?

Do you offer support for onboarding new users?

Do you offer support for onboarding new users?

Do you offer support for onboarding new users?

GET STARTED

Take Control of Your Costs Today

Start using Skyline and experience a new level of observability.

GET STARTED

Take Control of Your Costs Today

Start using Skyline and experience a new level of observability.

GET STARTED

Take Control of Your Costs Today

Start using Skyline and experience a new level of observability.

© Skyline 2025 All Rights Reserved

© Skyline 2025 All Rights Reserved

© Skyline 2025 All Rights Reserved