Know what any API costs
before you build

Pricing, free tiers and step-by-step setup for hundreds of developer APIs — from GPT and Claude to Twilio and Stripe. Plus free cost calculators.

AI & LLMs SMS & Email Maps Payments Data & Finance Crypto Exchanges Search & Scraping Cloud & Dev

AI API Cost Calculator

Estimate what GPT, Claude, Gemini and other LLM APIs cost for your usage — and see which model is cheapest for your workload.

—per request
—per day
—
per month
—per year
ModelIn $/1MOut $/1MCost / month
⚠️ Reference prices (June 2026). LLM API prices change often and vary by tier, context length and region. Always confirm on the provider's pricing page — or type your exact rates above.
✓ Last verified: 2026-07-15· Source: official provider pricing page· Auto-monitored — report change →

Cost calculators & tools

Most popular: AI model prices →

Free, interactive — estimate real costs before you build. Browse by category or view all tools.

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AI & LLM Costs

📊Compare 300+ AI Model Prices TKLLM Token Cost Calculator→ 🎯LLM Budget Finder→ ⚖Self-Host vs API Calculator→ 📉LLM Price History 2023–2026→ $→Prompt Caching Savings→ ⏲Cache TTL & Hit-Rate (5min vs 1hr)→ 📋AI Bill Analyzer→ 🛡AI Guardrails Stack Cost→ 🧠Reasoning Token Overrun (p50 vs p99)→ 🗜Context Compaction Cost (agent overhead)→ 🎬Video Understanding Cost (frames + audio tokens)→ 📝AI Meeting Notetaker (build your own Otter)→ 🧾System Prompt Cost (the per-request tax)→ 🚦LLM Service Tier (flex vs priority vs batch)→ ⚡Speculative Decoding Savings (draft model)→ ⚗Model Distillation ROI→ 🧮LLM VRAM & Concurrency→ ⚡AI Energy & Carbon→ All AI & LLM tools →
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AI Applications

AIAI App Cost Estimator DRDeep Research API Cost→ CUComputer Use Agent Cost→ AGAI Agent Cost Calculator→ RCRAG Chatbot Cost→ VAAI Voice Agent Cost→ CBChatbot Cost Calculator→ 💰AI Wrapper Pricing→ 👤AI Cost Per User→ 👁LLM Observability Cost→ All AI application tools →
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Cloud & Infrastructure

☁️Cloud Egress Cost Calculator ⚡GPU Cloud Rental Cost→ λServerless Function Cost→ K8Kubernetes Cluster Cost→ ▲Vercel Cost Calculator→ RIReserved Instance Savings→ 🚂Railway vs Render vs Fly.io→ MCPMCP Server Cost Calculator→TCOAI Agent Development Cost→AIAI App Builder Credits→ ⏱Managed Agent Session Cost→ 🏷AI Data Labeling Cost→ AGAI Coding Agent: Sub vs API→ SUBAI Subscription vs API (Chat)→ SWAI Agent Swarm Cost→ FWAI Agent Framework Cost→ GHCopilot Premium Request Cost→ L2L2 Gas Cost Comparison→ All cloud tools →
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Payments & Billing

💳Stripe vs Paddle vs PayPal Fees 💳Stripe Billing Fee Calculator→ 🎉SaaS Pricing Model Advisor→ 📈SaaS Metrics Calculator→ ↩️Chargeback Cost Calculator→ 📅Annual vs Monthly Billing→ All payment tools →
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Messaging & Communications

✉️Email API Cost — SendGrid vs Resend vs SES SMSMS API Cost Calculator→ 📱SMS Cost by Country→ PNPush Notification Cost→ 🔗Webhook Delivery Cost→ All messaging tools →
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Data & Databases

🧮Vector DB Storage Cost Calculator 🧬Embeddings Cost Calculator→ 🗄️Database Cost Comparison→ BQBigQuery Query Cost→ ❄Snowflake Credit Cost→ RAGRAG Pipeline Cost→ MEMAI Agent Memory Cost→ 🇪🇺EU AI Act Compliance Cost→ All data tools →
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Auth & Identity

🔑Auth API Comparison — Clerk vs Auth0 vs Supabase 🔐Auth0 vs Clerk vs WorkOS→ All auth tools →
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API Operations

⚠️API Downtime Cost Calculator 🛫Free Tier Runway→ 📈API Cost Forecast→ 📊API Plan Overage Cost→ ⏱Rate Limit Capacity→ 🤝Committed Spend Discount→ 🔀Model Fallback Chain Cost→ ⚡Zapier vs Make Cost→ All API operation tools →

Popular APIs

All categories ↓

The most-searched APIs — full pricing & how-to-get-key guides.

AI

OpenAI

AI & LLMs
GPT-4o, GPT-4o mini, o-series.
from $0.15/1M
View guide →

Binance

Crypto Exchange
Spot, futures & market data.
Free API · feesFree API
View guide →
ST

Stripe

Payments
Card payments and billing.
2.9% + $0.30No monthly fee
View guide →
TW

Twilio

SMS & Voice
SMS, voice and WhatsApp.
SMS from $0.0079
View guide →
GE

Google Gemini

AI & LLMs
2.5 Pro & Flash, free tier.
from $0.10/1MFree tier
View guide →
CG

CoinGecko

Data & Finance
Crypto prices & market data.
from $0/moFree tier
View guide →

Browse by category

Every API, grouped by type.

AI

AI & LLMs

Category
OpenAI, Claude, Gemini — token pricing & calculator.
View category →
EX

Crypto Exchanges

Category
Binance, Bybit, OKX — keys, fees, security.
View category →
Pay

Payments

Category
Stripe and more — per-transaction fees.
View category →
SMS

Email & SMS

Category
Twilio, SendGrid — free tiers & costs.
View category →
Dat

Market Data

Category
CoinGecko and more — crypto & market data.
View category →
Map

Maps

Category
Google Maps — per-SKU pricing.
View category →
Sch

Search & Scraping

Category
SerpAPI and alternatives.
View category →
Dev

Cloud & Dev

Category
Cloudflare, Vercel, Supabase — hosting, serverless & back-end costs.
View category →

Where to deploy your API

Once your costs add up, you still need somewhere to run it. Two hosts we use and recommend — both have a generous free / low-cost tier to start.

DO

DigitalOcean

Cloud hosting
Droplets, managed databases & app platform. Predictable flat pricing, great for APIs and side projects.
from $4/mo$200 free credit
Get $200 credit →
HG

Hostinger

Web & VPS hosting
Cheap VPS & web hosting with one-click setups — a low-cost home for small apps, bots and landing pages.
VPS from ~$5/mo
View plans →
RV

Revolut

Digital banking
Multi-currency account, crypto buying, international transfers and card. 75M+ users worldwide.
Free planReferral bonus
Sign up free →
These are referral links — if you sign up we may earn a small commission at no extra cost to you. We only list hosts we'd use ourselves. See our affiliate disclosure.

How it works

1

Find the API

Search or browse by category to find the service you need — AI, SMS, maps, payments and more.

2

See real pricing & free tier

Clear pricing tables, what's free, and a calculator to estimate your actual monthly cost.

3

Get your key

Follow the step-by-step setup guide to sign up and grab your API key in minutes.

Tools & Hosting

📈 TradingView🔒 NordVPN💳 RevolutDigitalOcean $200Hostinger