startupapi

SIMPLE APIS. MASSIVE POSSIBILITIES.

Build without limits.

Get powerful, reliable, and affordable access to Claude and other leading AI models - all through a single, developer-friendly API.

Get Started Free View Pricing
  • No credit card required
  • Instant activation
  • Usage-based billing

Same AI.
Lower costs.
Higher possibilities.

curl https://startupapi.io/v1/messages \
  -H "Authorization: Bearer YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4-6",
    "max_tokens": 256,
    "messages": [{"role": "user", "content": "Build something amazing"}]
  }'
Claude compatible Works with your existing workflow
Human support Real people, real help
Transparent billing Clear usage and costs
Fast setup Get started in minutes
POWERED BY STARTUPAPI

Simple, transparent pricing
for every builder.

Get affordable Claude access with predictable subscriptions and a clean, hassle-free experience. No hidden costs. Just build.

Secure & privateYour data stays yours
Instant accessStart building in minutes
Predictable billingNo hidden fees

TWO WAYS TO USE CLAUDE

Claude Code Claude Desktop
SAME TOOLS. MORE POSSIBILITIES.

CLAUDE WORKFLOWS

Connect Claude in a few steps.

Use StartupAPI with Claude Code or Claude Desktop.
Keep your existing workflow and get started in minutes.

CONNECTED WORKFLOW LIVE
1 API key created DONE
2 Base URL set DONE
3 Chatting with Claude ACTIVE

Get your API key

Create a StartupAPI key from your dashboard in seconds.

Connect your workflow

Use it with Claude Code or Claude Desktop with zero friction.

Start building

Code, chat, and ship through StartupAPI right away.

GET STARTED IN MINUTES

From signup to your
first Claude call.

No complicated provisioning. Create an account, generate a key, and start building.

01

Create account

02

Generate API key

Open the dashboard, create a scoped key for Claude Code or Claude Desktop, and copy it.

03

Start building

Call Claude through StartupAPI. Track usage, costs, and limits from one place.

No credit card required
Start building in minutes

USAGE & ANALYTICS

Know exactly where
your credits go.

Live usage, token breakdown, model mix, and per-key activity. Built so you never lose track of a request.

Dashboard · Overview

Last 30 days · 3 API keys · Claude Sonnet dominant

CREDITS USED $84.20 of $120 balance
REQUESTS 12,431 +18% vs last 30d
AVG / REQUEST $0.0068 stable

Credits used over time

  • This period
  • Previous period
  • claude-sonnet-4-6 72%
  • claude-haiku-4-5 18%
  • gpt-4o 7%
  • Other 3%
REAL USE CASES

Built for the work
developers actually do.

CLAUDE CODE

Claude Code

Pair-program with Claude inside your editor, on your real codebase, with project-level context.

AI AGENTS

AI Agents

Run tool-using, multi-step agents with predictable per-token costs and clean usage limits.

AUTOMATION

Automation

Wire StartupAPI into pipelines, scripts, and cron jobs without complex provisioning or contracts.

SAAS APPS

SaaS Apps

Ship customer-facing features with usage-based metering and predictable monthly subscriptions.

FAQ

Questions developers ask first.

View all FAQ

StartupAPI is a developer API platform that gives you access to supported Claude and AI models through one account, with prepaid Usage Credits or optional subscriptions.

START BUILDING

Start building with affordable Claude access.

One account, transparent billing, and the Claude models you actually want to use.

View pricing