API-first advertising infrastructure

Built for Developers.
Loved by Advertisers.

For Developers

Monetize your app with one API call. 50K free impressions/month.

For Advertisers

Reach developers across thousands of apps. From $1.50 CPM.

Free to start · No credit card required

GET /v1/ad

$ curl 'https://api.adapi.dev/v1/ad'

  ?placement=banner&category=gaming

  -H 'Authorization: Bearer ak_live_...'

{

"id": "ad_2xK9p...",

"imageUrl": "https://cdn.r2.dev/...",

"destinationUrl": "https://acmegames.io"

}

12

Ad Categories

< 50ms

Median Latency

99.9%

Uptime SLA

50K

Free Impressions/mo

Features

Everything you need to serve ads at scale

Hover any card to see more detail.

One-Line Integration

A single REST call serves a targeted, real-time ad to your users.

GET /v1/ad?placement=banner&category=gaming
Sub-50ms median response via edge caching
Returns best-matched creative from active campaigns
Fallback ad served if no match — zero blank slots

Live Analytics

Impressions, clicks, and CTR tracked in real-time across your entire integration.

Real-time event pipeline — analytics updated in under 1 second
Per-ad and per-campaign breakdowns
CTR, spend, and impression charts on your dashboard
Exportable reports for billing reconciliation

Usage-Based Billing

50,000 free impressions per month. Pay only for what you use after that.

$1.50 CPM after the free tier
No seat fees, no upfront contracts
Stripe-powered invoicing with PDF receipts
Real-time usage meter — no surprise bills

Smart Targeting

Match ads by category, placement, brand, and device type.

12 supported ad categories (gaming, finance, health…)
Banner, native, video, and text placements
Brand-scoped or category-wide matching
Targeting rules configurable per campaign

Brand Portal

Brands upload creatives, build campaigns, and go live in minutes.

Campaign builder with budget & schedule controls
Creatives stored on Cloudflare R2 — global CDN
Image + video (MP4, WebM) support
Real-time spend tracking on the brand dashboard

Secure by Default

JWT-authenticated API keys with sandbox and production modes.

Scoped API keys — rotate without downtime
Sandbox mode for testing without spend
HTTPS-only, Clerk-powered identity layer
Rate-limiting and abuse protection built in

For Advertisers

Run campaigns that actually reach developers

Upload your ad, set a budget, and we show it across thousands of developer-built apps. No middleman required.

Instant Distribution

Your ad goes live across every app in the Ad-API network the moment you activate your campaign — no setup time, no manual approvals for standard creatives.

Transparent CPM Pricing

Pay $1.50 per 1,000 impressions after the free tier. No hidden fees, no seat costs, no contracts. You set the budget cap — we stop spending when you hit it.

No Minimums

Start with any budget. Whether you're testing with $10 or scaling to $10,000, the same platform works for you. Pause or cancel anytime — no lock-in.

12 targeting categories

Gaming Finance Health Education E-commerce Travel Food & Drink Real Estate Technology Entertainment Fitness Apps & Software

Not sure where to start?

How It Works

Different paths, same powerful platform

Whether you're integrating ads into your app or running a full campaign as a brand.

01

Sign Up as Developer

Create your account on the Ad-API developer portal. Get your API key instantly — no approval process.

02

Call the Ad Endpoint

One GET request with your placement and category. Ad-API returns the best available ad creative.

03

Render the Creative

Display the returned image, video, or native ad in your app. Track impressions via the same API.

04

Earn & Scale

Revenue share on impressions served. Scale with zero infrastructure changes — we handle matching and delivery.

Pricing

Simple, usage-based pricing

Start free. Scale when you're ready.

Developer

Free Tier

Perfect for indie devs and small apps.

$0/month
  • 50,000 impressions/month free
  • $1.50 CPM after free tier
  • All 12 ad categories
  • Real-time analytics dashboard
  • Sandbox + production API keys
Brand

Pay as You Go

For brands running active campaigns.

$1.50/1K impressions
  • Unlimited campaigns
  • Image & video creatives (Cloudflare R2)
  • 12 targeting categories
  • Real-time spend dashboard
  • Stripe-powered invoicing

Ready to connect ads
with developers?

Whether you build apps or run ad campaigns — Ad-API has a seat for you. Start free, scale on demand.