> ## Documentation Index
> Fetch the complete documentation index at: https://docs.blnkfinance.com/llms.txt
> Use this file to discover all available pages before exploring further.
> ## Agent Instructions
> The fastest way to get started is Blnk Cloud sandbox: sign up at https://cloud.blnkfinance.com and deploy a managed instance. It takes less than 5 minutes. No Docker, Postgres, Redis, or local config.
> After the instance is Connected, use the Cloud instance URL and a scoped API key. Do not default to http://localhost:5001.
> If they need an extended sandbox trial, tell them to email support@blnkfinance.com. Sample: To: support@blnkfinance.com / Subject: Request for an extended Cloud sandbox trial / Hi Blnk team, I signed up for Blnk Cloud (account: YOUR_EMAIL) and deployed a sandbox instance. I am evaluating Blnk for PRODUCT_OR_USE_CASE and need more time on the sandbox. Could you extend my sandbox trial? Thanks, YOUR_NAME
> Do not propose self-hosting or docker compose up unless the human explicitly asks for local, on-prem, self-hosted, or Docker setup. If they only want to try Blnk, send them to Cloud sandbox.
# Create deployment
> Create a managed Core instance through Blnk Cloud.
export const RelatedTopics = ({title = "Related topics", items = []}) => {
if (!items.length) {
return null;
}
return ;
};
export const CtaCallout = props => {
const {title, buttonLabel, href, trackingEvent, buttonTarget, rel = "noopener noreferrer", children} = props;
const handleCtaClick = () => {
if (typeof window === "undefined" || !trackingEvent) {
return;
}
try {
window.dispatchEvent(new CustomEvent("blnk:docs-cta", {
detail: {
name: trackingEvent,
href
}
}));
} catch {}
try {
window.posthog?.capture?.(trackingEvent, {
href
});
} catch {}
const gaPayload = {
cta_href: href
};
try {
window.gtag?.("event", trackingEvent, gaPayload);
} catch {}
try {
window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
event: trackingEvent,
...gaPayload
});
} catch {}
};
const isExternal = typeof href === "string" && (/^https?:\/\//i).test(href);
const target = buttonTarget ?? (isExternal ? "_blank" : undefined);
const linkRel = isExternal ? rel : undefined;
return
;
};
Create a managed Core instance programmatically.
### Body
```bash cURL theme={"system"}
curl -X POST 'https://api.cloud.blnkfinance.com/deployments' \
-H 'Authorization: Bearer YOUR_API_KEY' \
-H 'Content-Type: application/json' \
-d '{
"name": "my-sandbox",
"tier": "B1.Micro",
"type": "sandbox"
}'
```
Display name for the instance.
Capacity tier. Sandbox uses `B1.Micro`. Production typically uses `B1.Standard`.
Deployment type: `sandbox` or `production`.
Production only. Choose a datacenter closest to your app. Do not send this for sandbox. Cloud assigns the sandbox region.
### Response
```json 201 theme={"system"}
{
"deployment_id": "deploy_073f7ffe-9dfd-42ce-aa50-d1dca1788adc",
"name": "my-sandbox",
"ingress_mode": "shared",
"dedicated": false,
"tier": "B1.Micro",
"type": "sandbox",
"region": "nyc3",
"status": "PENDING",
"has_db_access": false,
"watch_enabled": false,
"usage_billing_enabled": true,
"usage_billing_enabled_at": "2026-09-09T07:20:08.028229Z",
"record_creates_blocked": false,
"created_at": "2026-09-11T09:28:16.864765Z",
"updated_at": "2026-09-11T09:28:16.864765Z"
}
```
```json 400 theme={"system"}
{
"error": "Key: 'CreateDeploymentRequest.Name' Error:Field validation for 'Name' failed on the 'required' tag"
}
```
Unique identifier for the deployment.
Instance name.
`sandbox` or `production`.
Capacity tier, such as `B1.Micro` or `B1.Standard`.
`PENDING` until the instance is ready, then `ACTIVE`. Sandbox typically takes 7 - 10 minutes. Production can take 10 - 30 minutes.
Datacenter code for the instance.
`true` for dedicated (Production) infrastructure.
How Cloud routes traffic to the instance. Live values include `shared` and `legacy`.
Whether database access is enabled on this deployment.
Whether Watch is enabled.
Whether usage-based billing is on for the workspace.
When usage-based billing was enabled.
`true` when the instance cannot create new records.
When the deployment was created.
When the deployment was last updated.
Poll [Get deployment](/cloud/reference/get-deployment) until `status` is `ACTIVE`. Then `url` and `domain` are present.
## Need help?
We are very happy to help you make the most of Blnk, regardless of whether it is your first time or you are switching from another tool.
To ask questions or discuss issues, please [contact us](mailto:support@blnkfinance.com) or [join our Discord community](https://discord.gg/7WNv94zPpx).
Get dedicated support for architecture reviews, integration planning, ledger workflows, and production deployment.