Per-datapoint billing is now gone

Time Series Forecasting Made Simple

Powerful API that automatically selects the best forecasting model for your data. From sales to inventory, web traffic to demand planning — get accurate predictions in milliseconds.

No training required
Sub-second response
Pay per API call
forecastapi.com
curl -X POST https://forecastapi.com/v2/forecast \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d \'{
    "identifier": "SKU-12345",
    "data": [
      {"date": "2024-01", "value": 120},
      {"date": "2024-02", "value": 135},
      {"date": "2024-03", "value": 155}
    ],
    "periods": 6,
    "frequency": "M"
  }\'

# Response in 287ms
{
  "result": {
    "identifier": "SKU-12345",
    "forecasts": [
      {"period": 1, "date": "2024-04-01", "forecast": 168.5, "lower": 162.3, "upper": 174.7},
      {"period": 2, "date": "2024-05-01", "forecast": 175.2, "lower": 168.1, "upper": 182.3},
      ...
    ],
    "model_info": {"best_model": "AutoETS", "selection_metric": "smape"}
  },
  "meta": {"selection_metric": "smape", "timing": {"total": 287}}
}

Used by developers at Fortune 500 and globally recognized brands

From high-growth startups to engineers at some of the world's most recognized companies. More than 2B forecasts served.

Built for Developers, Designed for Scale

Everything you need to add professional forecasting to your application, without the complexity of machine learning infrastructure.

Intelligent Selection

Auto-selects the Perfect Model

Our API automatically analyzes your data patterns and chooses the optimal forecasting method. From ARIMA to Prophet, Croston to Exponential Smoothing — no ML expertise required.

Analyzes seasonality, trends, and volatility
Handles 30+ different forecasting algorithms
Returns confidence score and reasoning
✓ Pattern Analysis Complete
Datapoints: 48 | Seasonality: Monthly | Trend: Strong
"method": "exponential_smoothing",
"confidence": "high",
"reason": "Strong trend with seasonal patterns"
Ultra Fast

Sub-Second Predictions

Get accurate forecasts in milliseconds, not minutes. Our optimized infrastructure ensures your users never wait for predictions, even with complex seasonal data.

287ms
Average Response
99.99%
Uptime SLA
Performance Metrics
Request Processing
 17ms
Model Selection
  9ms
Forecast Generation
119ms

No Training, No Waiting

Unlike traditional ML platforms, there's no model training phase. Send your historical data and get forecasts immediately. It just works.

Traditional ML Platforms

Hours to days →
Step 1
Upload training data
Step 2
Configure parameters
Step 3
Wait for training
Step 4
Deploy endpoints
Step 5
Finally get predictions

ForecastAPI

Done in 0.3s
Step 1
Send data
Step 2
Get forecast
// inside the 300ms
Request → forecast
Data validation & parsing
Pattern analysis & model selection
Forecast generation

Three Steps to Accurate Forecasts

No complex setup, no waiting for model training. Just send your data and get predictions instantly.

1

Send Historical Data

Dates and values. 2 points or thousands.

2

We Analyze & Select

Patterns, seasonality, trend → best method.

3

Get Instant Predictions

Forecast + confidence, in milliseconds.

Monthly forecast
actual forecast 95% CI
Jan Feb Mar Apr May Jun
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Questions about pricing? Contact our team

Transparent Pricing

Pay Only for What You Use

Simple usage-based pricing that scales with your business. Volume discounts applied automatically.

calls/month
1K 1.5M

Pricing Tier

per API call

Estimated Monthly Cost

Based on API calls

per month

Save 50% by using Batching

Based on Series/SKUs/entities

per month

All plans include:

Automatic model selection
95% confidence intervals
All forecast frequencies
API documentation & SDKs
99.99% uptime SLA
Email support for paid plans

Free Tier Available

Get started with 1,000 free API calls per month. No credit card required.

vs. 
AWS Forecast GCP Vertex AI Azure ML Closest Competitor

93%
92%
90%
84%
 cheaper

No training costs, simpler pricing

vs. Custom ML Team

$100K+ saved

No hiring, training, or maintenance

vs. Building In-House

6 months saved

Integrate in minutes, not months

Start Free Trial

Questions about pricing? Contact our team

Built for Real-World Applications

From e-commerce to SaaS, ForecastAPI powers intelligent predictions across industries.

E-commerce

Sales Forecasting

Predict product demand to optimize stock levels, marketing spend, and sales strategies.

Handle seasonal patterns automatically
Forecast by SKU, category, or store
Support for intermittent demand items

Typical accuracy

14-25% MAPE

Learn more →
SaaS

Revenue Forecasting

Project MRR growth, customer churn, and expansion revenue. Make data-driven decisions for fundraising and budgeting.

Account for growth trends and seasonality
Segment by plan, cohort, or region
Confidence intervals for scenario planning

Typical accuracy

5-20% MAPE

Learn more →
Analytics

Traffic & Usage Prediction

Forecast website visits, API calls, or server load. Scale infrastructure proactively and optimize resource allocation.

Daily, hourly, or minute-level forecasts
Detect weekly and monthly patterns
Account for marketing campaign spikes

Typical accuracy

6-18% MAPE

Learn more →
Logistics

Demand Planning

Optimize supply chain operations with accurate demand forecasts. Reduce waste and improve supplier relationships.

Multi-location demand forecasting
Lead time consideration
Slow-moving item optimization

Typical accuracy

10-28% MAPE

Learn more →

Ready to Get Started?

Join thousands of developers using ForecastAPI.
Start with 1,000 free API calls today.