> For the complete documentation index, see [llms.txt](https://startbutton.gitbook.io/startbutton-product-api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://startbutton.gitbook.io/startbutton-product-api/startbutton-api-doc/test-numbers/test-numbers-for-collections.md).

# Test Numbers for Collections

### Test Numbers for S2S Collection.

{% hint style="info" %}
For s2s (Momo) collections initiated via the endpoint `{{baseUrl}}/transaction/initialize/s2s/mobile_money`
{% endhint %}

The next step after initiating the transaction is to verify the OTP using this [endpoint](/startbutton-product-api/startbutton-api-doc/server-to-server-integration/s2s-integration-for-mobile-money/s2s-momo-kes-and-ghs.md#otp-verify). Enter any 6-digit number as the OTP to complete the transaction.

<details>

<summary><strong>Use the numbers below:</strong></summary>

**GHS**\
Success: +233501234567\
Fail: +233507654321\
\
**KES**\
Success: +254701234567\
Failed: +254707654321\
\
**TZS**\
Success: +255121212121\
Failed: +255750000020\
\
**RWF**\
Success: +250131313131\
Fail: +250740000030\
\
**UGX**\
Success: +256101010111\
Fail: +256760000010\
\
**XOF**\
Success: +2250111111111\
Failed: +2250222222222

</details>

### Test Numbers for Collection via the Checkout

{% hint style="info" %}
For non-s2s collections initiated via `{{baseUrl}}/transaction/initialize`
{% endhint %}

To simulate an OTP process, use the OTP number, then in the modal, enter any 6-digit number as the OTP to complete the transaction.\
\
To simulate a PIN process, use the PIN-number, and after a few seconds, the transaction will be completed.

<details>

<summary><strong>Use the numbers below as required.</strong> </summary>

```
GHS
Success: +233501234567 (OTP), +233501234568 (PIN)
Fail: +233507654321, +233507654322

KES
Success: +254701234567 (OTP), +254701234568 (PIN)
Failed: +254707654321, +254707654322

RWF
Success: +250131313131 (OTP), +250131313132 (PIN)
Fail: +250740000030, +250740000031

TZS
Success: +255121212121 (OTP), +255121212122 (PIN)
Failed:  +255750000020, +255750000020

UGX
Success: +256101010111(OTP), +256101010112(PIN)
Fail: +256760000010, +256760000011

XOF
Success: +2250111111111 (OTP), +2250111111112 (PIN)
Failed: +2250222222222, +2250222222223
```

</details>