Database for Your App.
Ready in One API Call.

Instant provisioning, per-database API keys, branching, time-travel, vector search, and full MCP discovery. Free tier includes all features.

Quick Start API OpenAPI Spec Agent-Friendly Docs

How It Works

1

Provision

Shell
curl -X POST \
  .../api/v1/quick-start \
  -d '{"email":"me@app.com",
    "password":"...",
    "org_name":"MyApp",
    "db_name":"main"}'

# Returns: token, api_key,
# org_id, db_id, endpoints
2

Build

API Key Auth
curl -X POST .../execute \
  -H "X-API-Key: hdb_..." \
  -d '{"sql":"CREATE TABLE users (
    id SERIAL,
    name TEXT,
    embed VECTOR(768)
  )"}'
3

Branch & Ship

REST
# Create a branch
POST .../branches
{"name":"staging",
 "as_of":"now"}

# Time-travel query
POST .../query-at
{"sql":"SELECT *...",
 "as_of":"2025-01-01T00:00:00Z"}

Full Endpoint Reference

Method Endpoint Description
POST /api/v1/quick-start Create account + DB + API key
POST /api/v1/auth/signup-baas Instant signup (auto-activated)
POST .../:db_id/execute Execute SQL query
GET .../:db_id/branches List branches
POST .../:db_id/branches Create branch (with as_of + from)
POST .../:db_id/branches/switch Switch active branch
POST .../:db_id/branches/merge Merge branches
POST .../:db_id/query-at Time-travel query
POST .../:db_id/api-keys Create scoped API key
POST /api/v1/mcp MCP JSON-RPC (tools/list, tools/call)
GET /api/v1/openapi.json OpenAPI 3.1 specification

All Features. Grow As You Go.

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Instant

Unverified

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3 databases
5 MB storage
200 queries/hour
3 branches
24h time-travel
10 tables/DB
Email Verified

Verified

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5 databases
50 MB storage
500 queries/hour
10 branches
3 days time-travel
50 tables/DB
Feedback Given

Trusted

Opt in for feedback — max free quotas

7 databases
200 MB storage
2,000 queries/hour
20 branches
7 days time-travel
200 tables/DB

All levels include: vector search, graph traversal, BM25 hybrid search, per-database API keys, branching, and time-travel. Check “Allow feedback contact” during signup to become eligible for Trusted status after a short feedback session with the team.

Start Building Now

One curl command. Your database is ready.