Vaquill bills the API in credits. One credit = $0.01 USD. Every endpoint has a fixed credit cost - per call, regardless of result size - and your balance updates in real time on the dashboard.Documentation Index
Fetch the complete documentation index at: https://vaquill.ai/docs/llms.txt
Use this file to discover all available pages before exploring further.
New accounts start with 500 free credits ($5). No credit card required. Sign up at app.vaquill.ai.
Credit packs
Buy in bulk for a built-in bonus. Larger packs unlock larger bonuses.Starter
1,000 credits for $10No bonus. Best for testing.
Builder
2,500 credits for $25No bonus. Best for early dev.
Pro
5,500 credits for $50+10% bonus credits. Best for production apps.
Scale
25,000 credits for $200+25% bonus credits. Best for high-volume teams.
Costs by endpoint
Grouped by capability so you can model your application’s per-query cost before you build.Ask (legal Q&A)
Ask (legal Q&A)
The flagship endpoint. Routes a question through the full retrieval and generation pipeline and returns a grounded answer with cited sources.
Use
| Endpoint | Method | Credits | USD |
|---|---|---|---|
/api/v1/ask | POST | 15 | $0.15 |
/api/v1/ask (deep mode) | POST | 30 | $0.30 |
/api/v1/ask/stream | POST | 15 / 30 | Same as sync |
standard mode for fast single-hop answers; switch to deep for multi-hop reasoning across sources.Research and search
Research and search
Boolean and natural-language search over the legal corpus.
The quick endpoint returns the top 3-5 results with essentials only.
| Endpoint | Method | Credits | USD |
|---|---|---|---|
/api/v1/research/search (1-20 results) | POST | 1 | $0.01 |
/api/v1/research/search (21-50 results) | POST | 2 | $0.02 |
/api/v1/research/search (51-100 results) | POST | 3 | $0.03 |
/api/v1/research/quick | POST | 1 | $0.01 |
Citations
Citations
Resolve, look up, search, and traverse the citation network.
Network traversal is the priciest because it walks multiple hops in the citation graph.
| Endpoint | Method | Credits | USD |
|---|---|---|---|
/api/v1/citations/resolve | GET | 1 | $0.01 |
/api/v1/citations/cases/search | GET | 1 | $0.01 |
/api/v1/citations/cases/lookup | GET | 1 | $0.01 |
/api/v1/citations/cases/network | GET | 5 | $0.05 |
US statutes (USC + CFR)
US statutes (USC + CFR)
Semantic search over the United States Code and Code of Federal Regulations.
Section metadata is cheaper than the full section body.
| Endpoint | Method | Credits | USD |
|---|---|---|---|
/api/v1/statutes/search | POST | 4 | $0.04 |
/api/v1/statutes/section | GET | 2 | $0.02 |
/api/v1/statutes/section/body | GET | 6 | $0.06 |
Indian acts and legislation
Indian acts and legislation
Indian central and state legislation lookup.
| Endpoint | Method | Credits | USD |
|---|---|---|---|
/api/v1/acts/list | GET | 1 | $0.01 |
/api/v1/acts/search | POST | 2 | $0.02 |
/api/v1/acts/{actId}/text | GET | 3 | $0.03 |
/api/v1/acts/{actId}/amendments | GET | 5 | $0.05 |
Checking your balance
View remaining credits in your developer settings. When credits reach zero, API calls return403.
Notes
- Credits do not expire - buy in bulk without worrying about a use-or-lose deadline.
- Signup bonus: 500 credits ($5), no credit card required.
- All pricing is in USD.
- Bulk or enterprise pricing available - contact priyansh@vaquill.ai.
Where the data comes from
US case law on Vaquill is powered by CourtListener, a service of the Free Law Project - a US 501(c)(3) non-profit. Their open data makes Vaquill’s US case-law layer possible. If you build on the Vaquill API, please consider donating to Free Law Project - the open legal-data ecosystem only exists because they keep it alive. See Data Sources & Attribution for the full list of upstream sources.Related
Authentication
Generate and rotate API keys.
Errors
HTTP status codes and recovery paths.
API Reference
Every endpoint with parameters and examples.
Pricing endpoint
Fetch the live pricing schedule programmatically.
Data sources
Open data partners (CourtListener / Free Law Project) and how to support them.

