> For the complete documentation index, see [llms.txt](https://docs.fonbnk.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fonbnk.com/server-to-server/getting-started.md).

# Getting Started

{% hint style="info" %}
You can also try the API from [our Postman collection](https://documenter.getpostman.com/view/27894063/2sB3dMwVxZ#155ccb69-7bd2-45f7-a3d5-3b29f4263fbe).
{% endhint %}

### 1. Register

{% hint style="info" %}
Start in sandbox. It is the same API with simulated money.
{% endhint %}

| Environment | URL                                          |
| ----------- | -------------------------------------------- |
| Sandbox     | <https://sandbox-dashboard.fonbnk.com/login> |
| Production  | <https://dashboard.fonbnk.com/>              |

Sandbox and production accounts are separate. Register in both when you are ready to go live.

### 2. Get your API keys

Go to **Navigation → Integration**. Two values matter:

* <mark style="color:yellow;">**Client ID**</mark> — sent as the `x-client-id` header
* <mark style="color:yellow;">**API signature secret**</mark> — the key you sign each request with; never send it

### 3. Set your webhook URL

Go to **Navigation → Webhooks → Settings** and set the URL to receive order updates at. Webhooks are how you learn an order settled — polling is the fallback.

{% hint style="info" %}
A URL from <https://webhook.site/> is enough to see the payloads while you are building.
{% endhint %}

The same page has an opt-in for the `auth` and `kyc` events. See [Webhooks](/server-to-server/webhooks.md).

### 4. Make your first call

Every request must be signed. Read [Signing requests](/server-to-server/signing-requests.md) — there are working examples in seven languages — then point them at the hosts on [Servers](/server-to-server/servers.md).

[Get available currencies](/server-to-server/api-endpoints/get-available-currencies.md) is the easiest first call: it needs no parameters and tells you everything you can trade.

### 5. Build the flow

[Integration guide](/server-to-server/integration-guide.md) has the call sequence; [Flow examples](/server-to-server/integration-guide/flow-examples.md) walks each order shape end to end.


---

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