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# Append commitment schedule

POST https://integrators.prod.api.tabsplatform.com/v3/contracts/{id}/commitments/{commitmentId}/schedules
Content-Type: application/json

Reference: https://docs.tabs.com/api-reference/contracts/integrators-api-contractsv-3-controller-append-commitment-schedule

## Authentication

- `Authorization` header (required)

## Request

### Path parameters

- `id` (string, required) — Contract Id
- `commitmentId` (string, required) — Commitment Id

### Body (application/json)

- `startDate` (string, required) — Schedule start date (YYYY-MM-DD, inclusive). Must be the day after the previous schedule's endDate on the commitment.
- `endDate` (string, required) — Schedule end date (YYYY-MM-DD, inclusive). The last day the schedule covers.
- `steps` (list of object, required)
  - `sequence` (double, required) — Step ordinal within the new schedule. Strictly increasing.
  - `commitmentValue` (double, required) — Commitment amount value for the step
  - `commitmentUnitType` (enum, required) — Unit type: DOLLARS or UNITS
    - Allowed values: `DOLLARS`, `UNITS`
  - `pricePriority` (enum, required) — Price priority for the step
    - Allowed values: `LOW`, `HIGH`
  - `prepaidEnabled` (boolean, required) — Whether prepaid is enabled for the step
  - `billingTermIds` (list of string, required) — Base usage billing term IDs to link to the step
  - `prepaidValue` (double, optional) — Prepaid amount (required when prepaidEnabled=true)
  - `overageBillingTerms` (list of object, optional) — Per-base-BT overage config; omit when the step has no overage
    - `usageBillingTermId` (string, required) — Existing base usage BT whose overflow this overage covers
    - `overageName` (string, optional) — Display name for the overage BT line item
    - `overageItemId` (string, optional) — ERP item ID for the overage BT line item
    - `overagePricings` (list of object, optional) — Overage pricing tiers applied when usage exceeds the step's commitment. Send a single-entry array for flat overage; multiple entries describe tiered overage.
      - `name` (string, optional) — Pricing name shown on invoice line items
      - `mantissa` (string, optional) — Mantissa for the overage price
      - `exponent` (string, optional) — Exponent for the overage price
      - `currency` (enum, optional) — ISO 4217 currency code
        - Allowed values: `AED`, `AFN`, `ALL`, `AMD`, `ANG`, `AOA`, `ARS`, `AUD`, `AWG`, `AZN`, `BAM`, `BBD`, `BDT`, `BGN`, `BHD`, `BIF`, `BMD`, `BND`, `BOB`, `BOV`, `BRL`, `BSD`, `BTN`, `BWP`, `BYN`, `BZD`, `CAD`, `CDF`, `CHE`, `CHF`, `CHW`, `CLF`, `CLP`, `CNY`, `COP`, `COU`, `CRC`, `CUP`, `CVE`, `CZK`, `DJF`, `DKK`, `DOP`, `DZD`, `EGP`, `ERN`, `ETB`, `EUR`, `FJD`, `FKP`, `GBP`, `GEL`, `GHS`, `GIP`, `GMD`, `GNF`, `GTQ`, `GYD`, `HKD`, `HNL`, `HTG`, `HUF`, `IDR`, `ILS`, `INR`, `IQD`, `IRR`, `ISK`, `JMD`, `JOD`, `JPY`, `KES`, `KGS`, `KHR`, `KMF`, `KPW`, `KRW`, `KWD`, `KYD`, `KZT`, `LAK`, `LBP`, `LKR`, `LRD`, `LSL`, `LYD`, `MAD`, `MDL`, `MGA`, `MKD`, `MMK`, `MNT`, `MOP`, `MRU`, `MUR`, `MVR`, `MWK`, `MXN`, `MXV`, `MYR`, `MZN`, `NAD`, `NGN`, `NIO`, `NOK`, `NPR`, `NZD`, `OMR`, `PAB`, `PEN`, `PGK`, `PHP`, `PKR`, `PLN`, `PYG`, `QAR`, `RON`, `RSD`, `RUB`, `RWF`, `SAR`, `SBD`, `SCR`, `SDG`, `SEK`, `SGD`, `SHP`, `SLE`, `SOS`, `SRD`, `SSP`, `STN`, `SVC`, `SYP`, `SZL`, `THB`, `TJS`, `TMT`, `TND`, `TOP`, `TRY`, `TTD`, `TWD`, `TZS`, `UAH`, `UGX`, `USD`, `USN`, `UYI`, `UYU`, `UYW`, `UZS`, `VED`, `VES`, `VND`, `VUV`, `WST`, `XAF`, `XAG`, `XAU`, `XBA`, `XBB`, `XBC`, `XBD`, `XCD`, `XDR`, `XOF`, `XPD`, `XPF`, `XPT`, `XSU`, `XTS`, `XUA`, `XXX`, `YER`, `ZAR`, `ZMW`, `ZWG`, `ZWL`
      - `tier` (double, optional) — Tier number; defaults to 0
      - `conditionValue` (double, optional) — Numeric tier threshold; the price applies when usage crosses this value. Defaults to 0.
  - `containerConfig` (object, optional) — Optional naming + ERP item ID overrides for prepaid and true-up container BTs
    - `prepaidName` (string, optional) — Display name for the prepaid container BT
    - `trueUpName` (string, optional) — Display name for the true-up container BT
    - `prepaidItemId` (string, optional) — ERP item ID for the prepaid container BT
    - `trueUpItemId` (string, optional) — ERP item ID for the true-up container BT
- `commitmentInterval` (enum, optional) — Commitment period interval for the schedule
  - Allowed values: `DAILY`, `WEEKLY`, `MONTHLY`, `QUARTERLY`, `YEARLY`
- `prepaymentScheduleType` (enum, optional) — Prepayment schedule type
  - Allowed values: `FULL_UPFRONT`, `PER_COMMITMENT_PERIOD`, `SPLIT_ACROSS_BILLING_PERIODS`

## Response

### 201

Schedule appended

- `payload` (object, required) — Response payload, will be empty when success is false
  - `scheduleId` (string, required) — ID of the newly created schedule
  - `sequence` (double, required) — Server-assigned sequence number for the new schedule
  - `stepIds` (list of string, required) — IDs of the newly created steps, in the order they were sent
- `success` (boolean, required) — Boolean with true=success, false=failure
- `message` (string, required) — Plain-text description of the result
- `error` (object, optional) — json element with any error messages or warnings
  - `code` (double, required) — API response code
  - `message` (string, required) — API response message
  - `details` (object, optional) — Additional details about the error

## Examples

**Request**

```json
{
  "startDate": "2026-01-01",
  "endDate": "2026-12-31",
  "steps": [
    {
      "sequence": 0,
      "commitmentValue": 1000,
      "commitmentUnitType": "DOLLARS",
      "pricePriority": "LOW",
      "prepaidEnabled": false,
      "billingTermIds": [
        "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
      ]
    }
  ]
}
```

**Response**

```json
{
  "payload": {
    "scheduleId": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
    "sequence": 1,
    "stepIds": [
      "string"
    ]
  },
  "success": true,
  "message": "string",
  "error": {
    "code": 1.1,
    "message": "string",
    "details": {}
  }
}
```

**SDK Code**

```python
import requests

url = "https://integrators.prod.api.tabsplatform.com/v3/contracts/123e4567-e89b-12d3-a456-426614174000/commitments/commitmentId/schedules"

payload = {
    "startDate": "2026-01-01",
    "endDate": "2026-12-31",
    "steps": [
        {
            "sequence": 0,
            "commitmentValue": 1000,
            "commitmentUnitType": "DOLLARS",
            "pricePriority": "LOW",
            "prepaidEnabled": False,
            "billingTermIds": ["a1b2c3d4-e5f6-7890-abcd-ef1234567890"]
        }
    ]
}
headers = {
    "Authorization": "<apiKey>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.json())
```

```javascript
const url = 'https://integrators.prod.api.tabsplatform.com/v3/contracts/123e4567-e89b-12d3-a456-426614174000/commitments/commitmentId/schedules';
const options = {
  method: 'POST',
  headers: {Authorization: '<apiKey>', 'Content-Type': 'application/json'},
  body: '{"startDate":"2026-01-01","endDate":"2026-12-31","steps":[{"sequence":0,"commitmentValue":1000,"commitmentUnitType":"DOLLARS","pricePriority":"LOW","prepaidEnabled":false,"billingTermIds":["a1b2c3d4-e5f6-7890-abcd-ef1234567890"]}]}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://integrators.prod.api.tabsplatform.com/v3/contracts/123e4567-e89b-12d3-a456-426614174000/commitments/commitmentId/schedules"

	payload := strings.NewReader("{\n  \"startDate\": \"2026-01-01\",\n  \"endDate\": \"2026-12-31\",\n  \"steps\": [\n    {\n      \"sequence\": 0,\n      \"commitmentValue\": 1000,\n      \"commitmentUnitType\": \"DOLLARS\",\n      \"pricePriority\": \"LOW\",\n      \"prepaidEnabled\": false,\n      \"billingTermIds\": [\n        \"a1b2c3d4-e5f6-7890-abcd-ef1234567890\"\n      ]\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "<apiKey>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://integrators.prod.api.tabsplatform.com/v3/contracts/123e4567-e89b-12d3-a456-426614174000/commitments/commitmentId/schedules")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<apiKey>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"startDate\": \"2026-01-01\",\n  \"endDate\": \"2026-12-31\",\n  \"steps\": [\n    {\n      \"sequence\": 0,\n      \"commitmentValue\": 1000,\n      \"commitmentUnitType\": \"DOLLARS\",\n      \"pricePriority\": \"LOW\",\n      \"prepaidEnabled\": false,\n      \"billingTermIds\": [\n        \"a1b2c3d4-e5f6-7890-abcd-ef1234567890\"\n      ]\n    }\n  ]\n}"

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://integrators.prod.api.tabsplatform.com/v3/contracts/123e4567-e89b-12d3-a456-426614174000/commitments/commitmentId/schedules")
  .header("Authorization", "<apiKey>")
  .header("Content-Type", "application/json")
  .body("{\n  \"startDate\": \"2026-01-01\",\n  \"endDate\": \"2026-12-31\",\n  \"steps\": [\n    {\n      \"sequence\": 0,\n      \"commitmentValue\": 1000,\n      \"commitmentUnitType\": \"DOLLARS\",\n      \"pricePriority\": \"LOW\",\n      \"prepaidEnabled\": false,\n      \"billingTermIds\": [\n        \"a1b2c3d4-e5f6-7890-abcd-ef1234567890\"\n      ]\n    }\n  ]\n}")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://integrators.prod.api.tabsplatform.com/v3/contracts/123e4567-e89b-12d3-a456-426614174000/commitments/commitmentId/schedules', [
  'body' => '{
  "startDate": "2026-01-01",
  "endDate": "2026-12-31",
  "steps": [
    {
      "sequence": 0,
      "commitmentValue": 1000,
      "commitmentUnitType": "DOLLARS",
      "pricePriority": "LOW",
      "prepaidEnabled": false,
      "billingTermIds": [
        "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
      ]
    }
  ]
}',
  'headers' => [
    'Authorization' => '<apiKey>',
    'Content-Type' => 'application/json',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://integrators.prod.api.tabsplatform.com/v3/contracts/123e4567-e89b-12d3-a456-426614174000/commitments/commitmentId/schedules");
var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "<apiKey>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"startDate\": \"2026-01-01\",\n  \"endDate\": \"2026-12-31\",\n  \"steps\": [\n    {\n      \"sequence\": 0,\n      \"commitmentValue\": 1000,\n      \"commitmentUnitType\": \"DOLLARS\",\n      \"pricePriority\": \"LOW\",\n      \"prepaidEnabled\": false,\n      \"billingTermIds\": [\n        \"a1b2c3d4-e5f6-7890-abcd-ef1234567890\"\n      ]\n    }\n  ]\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "<apiKey>",
  "Content-Type": "application/json"
]
let parameters = [
  "startDate": "2026-01-01",
  "endDate": "2026-12-31",
  "steps": [
    [
      "sequence": 0,
      "commitmentValue": 1000,
      "commitmentUnitType": "DOLLARS",
      "pricePriority": "LOW",
      "prepaidEnabled": false,
      "billingTermIds": ["a1b2c3d4-e5f6-7890-abcd-ef1234567890"]
    ]
  ]
] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://integrators.prod.api.tabsplatform.com/v3/contracts/123e4567-e89b-12d3-a456-426614174000/commitments/commitmentId/schedules")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```