Pricing Tiers
CTWiseAPI offers flexible pricing tiers to match your usage needs.
Tier Comparison
| Feature | Free | Starter |
|---|---|---|
| Price | $0/month | $99/month |
| API Calls | 1,000/month | 10,000/month |
| Rate Limit | 2/second | 10/second |
| Search Results | Top 5 | Full results |
| Evidence Chains | Summary only | Complete chains |
| Sources | FDA only | FDA + ICH + EMA |
| JSON Export | ❌ | ✅ |
| Confidence Scores | ❌ | ✅ |
| Test API Keys | ❌ | ✅ |
| Priority Support | ❌ | ❌ |
Tier Details
Free Tier
Perfect for evaluation and small projects.
- 1,000 API calls/month
- 2 requests/second rate limit
- Access to FDA regulatory content
- Top 5 results per search
- Summary-level evidence chains
- Email support
The Free tier is great for evaluating CTWiseAPI before committing to a paid plan.
Starter Tier
For teams actively using regulatory intelligence.
- 10,000 API calls/month
- 10 requests/second rate limit
- Full access to FDA, ICH, and EMA content
- Unlimited results per search
- Complete evidence chains with citations
- AI-powered confidence scores
- JSON export for integrations
- Test API keys for development
- Email support (24-hour response)
Feature Details
Search Results
| Tier | Behavior |
|---|---|
| Free | Returns top 5 most relevant results |
| Starter | Returns all matching results (paginated) |
Evidence Chains
| Tier | Behavior |
|---|---|
| Free | Returns a brief summary of the source |
| Starter | Returns complete document hierarchy with citations |
Free Tier Response:
{
"evidenceChain": "From 21 CFR Part 50 - Protection of Human Subjects"
}
Starter Tier Response:
{
"evidenceChain": [
{
"level": 1,
"title": "21 CFR Part 50 - Protection of Human Subjects",
"section": "50.25",
"url": "https://www.ecfr.gov/current/title-21/chapter-I/subchapter-A/part-50"
},
{
"level": 2,
"title": "Subpart B - Informed Consent of Human Subjects",
"section": "50.20-50.27"
}
]
}
Regulatory Sources
| Source | Free | Starter |
|---|---|---|
| FDA Guidance | ✅ | ✅ |
| ICH Guidelines | ❌ | ✅ |
| EMA Regulations | ❌ | ✅ |
| WHO Standards | ❌ | ✅ |
Confidence Scores
Starter tier includes AI-generated confidence scores (0.0 to 1.0) indicating how well each result matches your query:
{
"ruleId": "rule_fda_001",
"title": "21 CFR 50.25 - Elements of Informed Consent",
"confidence": 0.95
}
Rate Limits
| Tier | Requests/Second | Monthly Calls |
|---|---|---|
| Free | 2 | 1,000 |
| Starter | 10 | 10,000 |
Exceeding rate limits returns 429 Too Many Requests. See Rate Limits for handling strategies.
Overage Policy
Free Tier
- API calls are blocked after 1,000 monthly calls
- Upgrade to Starter to continue
Starter Tier
- Soft limit: Warning at 80% usage
- Hard limit: API calls blocked at 10,000
- Contact sales for higher limits
Upgrading
Free → Starter
- Sign in to app.orchestraprime.ai
- Navigate to Settings → Billing
- Click "Upgrade to Starter"
- Complete AWS Marketplace checkout
- New limits apply immediately
Need More?
For usage beyond 10,000 calls/month:
- Contact Sales: sales@ctwise.ai
- Custom Enterprise Plans: Coming Q2 2025
FAQ
When does my usage reset?
Usage resets on the 1st of each month at 00:00 UTC.
Can I switch between tiers?
Yes! You can upgrade or downgrade at any time through the dashboard.
What happens if I exceed my limit?
- Free tier: API returns
429 Quota Exceeded - Starter tier: API returns
429 Quota Exceeded
Plan ahead with usage alerts (set in Dashboard → Settings).
Is there an annual discount?
Annual plans coming soon! Contact sales@ctwise.ai for early access.