> ## Documentation Index
> Fetch the complete documentation index at: https://docs.smartcomply.com/llms.txt
> Use this file to discover all available pages before exploring further.

# NUBAN Verification

> Resolve a Nigerian bank account number to its registered account name and bank.

The NUBAN endpoint verifies a Nigerian Uniform Bank Account Number (NUBAN) and returns the account name and bank associated with it. Use this for bank account ownership verification during onboarding or payment flows.

## Endpoint

```
POST /api/onboarding/nigeria_kyc/nuban/
```

## Request

### Headers

| Header           | Value               | Required |
| ---------------- | ------------------- | -------- |
| `x-access-token` | Your API secret key | Yes      |
| `Content-Type`   | `application/json`  | Yes      |

### Body Parameters

| Parameter        | Type   | Required | Description                              |
| ---------------- | ------ | -------- | ---------------------------------------- |
| `account_number` | string | Yes      | The 10-digit NUBAN account number        |
| `bank_code`      | string | Yes      | The 3–6 digit bank code (see list below) |

### Example

<CodeGroup>
  ```bash cURL theme={null}
  curl -X POST "https://adhere-api.smartcomply.com/api/onboarding/nigeria_kyc/nuban/" \
    -H "x-access-token: YOUR_SECRET_KEY" \
    -H "Content-Type: application/json" \
    -d '{"account_number": "0768540312", "bank_code": "035"}'
  ```

  ```python Python theme={null}
  import requests
  response = requests.post(
      "https://adhere-api.smartcomply.com/api/onboarding/nigeria_kyc/nuban/",
      headers={"x-access-token": "YOUR_SECRET_KEY", "Content-Type": "application/json"},
      json={"account_number": "0768540312", "bank_code": "035"},
  )
  ```
</CodeGroup>

### Bank Codes Reference

<Accordion title="View all supported bank codes">
  | Bank                         | Code     |
  | ---------------------------- | -------- |
  | Access Bank                  | `044`    |
  | Citibank Nigeria             | `023`    |
  | ECOBANK                      | `050`    |
  | FCMB                         | `214`    |
  | Fidelity Bank                | `070`    |
  | First Bank of Nigeria        | `011`    |
  | GTBank                       | `058`    |
  | Heritage Bank                | `030`    |
  | JAIZ Bank                    | `301`    |
  | Kuda Microfinance Bank       | `50211`  |
  | Lotus Bank                   | `303`    |
  | Moniepoint Microfinance Bank | `50563`  |
  | Opay                         | `999992` |
  | Palmpay                      | `999111` |
  | Polaris Bank                 | `076`    |
  | Providus Bank                | `101`    |
  | Stanbic IBTC Bank            | `221`    |
  | Standard Chartered Bank      | `068`    |
  | Sterling Bank                | `232`    |
  | TAJBank                      | `302`    |
  | Union Bank of Nigeria        | `032`    |
  | United Bank For Africa       | `033`    |
  | Unity Bank                   | `215`    |
  | Wema Bank                    | `035`    |
  | Zenith Bank                  | `057`    |
</Accordion>

## Response

### 200 OK

| Field                 | Type    | Description                     |
| --------------------- | ------- | ------------------------------- |
| `data.bank_id`        | integer | Internal bank identifier        |
| `data.account_name`   | string  | Registered account holder name  |
| `data.account_number` | string  | Account number that was queried |

```json theme={null}
{
  "status": "success",
  "data": {
    "bank_id": 11,
    "account_name": "STEPHEN BADMUS",
    "account_number": "0768540312"
  },
  "message": "Nuban details retrieved successfully"
}
```

### 400 Bad Request

```json theme={null}
{
  "status": "failed",
  "data": [],
  "message": "Sorry, your check cannot be processed at the moment. Please try again in a few minutes"
}
```

### 401 Unauthorized

```json theme={null}
{
  "status": "failed",
  "message": "Authentication credentials were not provided."
}
```


## OpenAPI

````yaml POST /api/onboarding/nigeria_kyc/nuban/
openapi: 3.0.3
info:
  title: Adhere API
  description: >-
    Identity verification, credit checks, transaction monitoring, and loan fraud
    detection across Africa.
  version: 3.0.0
servers:
  - url: https://adhere-api.smartcomply.com
    description: Production
security:
  - ApiKeyAuth: []
tags:
  - name: Nigeria KYC
  - name: Kenya KYC
  - name: Ghana KYC
  - name: Rwanda KYC
  - name: Uganda KYC
  - name: Biometrics
  - name: Individual Credit
  - name: Business Credit
  - name: Transaction Monitoring
  - name: Transaction Screening
  - name: Transaction KYC
  - name: Loan Fraud
  - name: User Journey
paths:
  /api/onboarding/nigeria_kyc/nuban/:
    post:
      tags:
        - Nigeria KYC
      summary: NUBAN Verification
      operationId: nuban
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - account_number
                - bank_code
              properties:
                account_number:
                  type: string
                  description: 10-digit account number
                  example: '0123456789'
                bank_code:
                  type: string
                  example: '044'
      responses:
        '200':
          description: NUBAN verified
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  responses:
    BadRequest:
      description: Bad Request
      content:
        application/json:
          schema:
            type: object
            properties:
              status:
                type: string
                example: failed
              data:
                type: array
                items: {}
              message:
                type: string
    Unauthorized:
      description: Unauthorized
      content:
        application/json:
          schema:
            type: object
            properties:
              status:
                type: string
                example: failed
              message:
                type: string
                example: Authentication credentials were not provided.
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-access-token
      description: Your Adhere API secret key

````