POST Payment

Insert a Payment transaction.

Request Information

URI Parameters

Name	Description	Type	Additional information
WsAccessKey	The Web Service access key for this user and file which allows access to the API for the associated file (found in File - Settings). Using OAuth authentication mechanism is the preferred method to allow API access.	string	Optional. Legacy authentication method and only required if not using OAuth. OAuth is preferred.
FileId	Specifies the file id of the file to perform the operation upon.	integer	Required

Body Parameters

PaymentTransaction

Name	Description	Type	Additional information
Notes	Custom user supplied notes about the payment.	string	None.
PaymentItems	Invoices that are paid as part of the payment.	Collection of PaymentItem	Required
TransactionId	The Id of the transaction.	integer	None.
TransactionDate	The date the payment was received or made.	date	Required
TransactionType	Sale Payment(SP) or Purchase Payment(PP)	string	Required
PaymentAccountId	Bank Account ID used to receive or pay funds.	integer	Required
TotalAmount	Total payment amount received or paid.	decimal number	None.
FeeAmount	Fee amount associated with the payment. And payment account must have merchant fee account ID to be able to add/edit fee amount.	decimal number	None.
Summary	Summary of the payment.	string	None.
Reference	Payment reference identifier.	string	None.
ClearedDate	The date the payment was cleared.	date	None.
Currency	Currency code of the payment eg: AUD or USD. Defaults to base currency for the file if not supplied or invalid value supplied.	string	None.
AutoPopulateFxRate	Determines with if FxRate is automatically populated using the Saasu FX Feed.	boolean	None.
FxRate	If AutoPopulateFxRate is False then the specified FxRate will be used.	decimal number	None.
CreatedDateUtc	The date and time when this payment was created in UTC.	date	None.
LastModifiedDateUtc	The date and time when this payment last modified in UTC.	date	None.
LastUpdatedId	Used for checking concurreny when performing updates.	string	None.
RequiresFollowUp	Indicates whether this payment requires follow up.	boolean	None.
_links	Hypermedia links. Contains contextual links to possible next actions related to this resource. Only present in responses. This data is not to be sent to the server.	Collection of Link	None.

Request Formats

application/json, text/json

Sample:

{
  "Notes": "payment notes",
  "PaymentItems": [
    {
      "InvoiceTransactionId": 1234,
      "AmountPaid": 120.0
    },
    {
      "InvoiceTransactionId": 5678,
      "AmountPaid": 150.0
    }
  ],
  "TransactionId": 324,
  "TransactionDate": "2025-10-23T13:00:00Z",
  "TransactionType": null,
  "PaymentAccountId": 1858,
  "TotalAmount": 10.0,
  "FeeAmount": 0.0,
  "Summary": "Payment for invoice 1",
  "Reference": "Toy inv",
  "ClearedDate": "2025-10-24T00:00:00+11:00",
  "Currency": "AUD",
  "AutoPopulateFxRate": false,
  "FxRate": 0.0,
  "CreatedDateUtc": "2025-10-23T18:00:06.8436246Z",
  "LastModifiedDateUtc": "2025-10-23T18:00:06.8436246Z",
  "LastUpdatedId": null,
  "RequiresFollowUp": false,
  "_links": []
}

application/xml, text/xml

Sample:

<PaymentTransaction xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <_links />
  <TransactionId>324</TransactionId>
  <TransactionDate>2025-10-23T13:00:00Z</TransactionDate>
  <PaymentAccountId>1858</PaymentAccountId>
  <TotalAmount>10</TotalAmount>
  <FeeAmount>0</FeeAmount>
  <Summary>Payment for invoice 1</Summary>
  <Reference>Toy inv</Reference>
  <ClearedDate>2025-10-24T00:00:00+11:00</ClearedDate>
  <Currency>AUD</Currency>
  <AutoPopulateFxRate>false</AutoPopulateFxRate>
  <FxRate>0</FxRate>
  <CreatedDateUtc>2025-10-23T18:00:06.8436246Z</CreatedDateUtc>
  <LastModifiedDateUtc>2025-10-23T18:00:06.8436246Z</LastModifiedDateUtc>
  <LastUpdatedId xsi:nil="true" />
  <RequiresFollowUp>false</RequiresFollowUp>
  <Notes>payment notes</Notes>
  <PaymentItems>
    <PaymentItem>
      <InvoiceTransactionId>1234</InvoiceTransactionId>
      <AmountPaid>120.00</AmountPaid>
    </PaymentItem>
    <PaymentItem>
      <InvoiceTransactionId>5678</InvoiceTransactionId>
      <AmountPaid>150.00</AmountPaid>
    </PaymentItem>
  </PaymentItems>
</PaymentTransaction>

Response Information

Resource Description

InsertPaymentResult

Name	Description	Type	Additional information
InsertedEntityId	The Id/Key of the payment that was created/inserted.	integer	None.
LastUpdatedId	The unique identifier generated as part of the update. This value is required when submitting subsequent update to prevent concurrency errors.	string	None.
UtcLastModified	The date and time this resource was modified in UTC.	date	None.
_links	Hypermedia links. Contains contextual links to possible next actions related to this resource. Only present in responses. This data is not to be sent to the server.	Collection of Link	None.

Response Formats

application/json, text/json

Sample:

{
  "InsertedEntityId": 321,
  "LastUpdatedId": "AAAKyf=",
  "UtcLastModified": "2025-10-13T18:00:06.9178931Z",
  "_links": [
    {
      "rel": "self",
      "href": "https://api.saasu.com/Payment/321?FileId=123",
      "method": "POST",
      "title": null
    },
    {
      "rel": "list",
      "href": "https://api.saasu.com/Payments?FileId=123",
      "method": "GET",
      "title": null
    },
    {
      "rel": "update",
      "href": "https://api.saasu.com/Payment/321?FileId=123",
      "method": "PUT",
      "title": null
    },
    {
      "rel": "delete",
      "href": "https://api.saasu.com/Payment/321?FileId=123",
      "method": "DELETE",
      "title": null
    }
  ]
}

application/xml, text/xml

Sample:

<InsertPaymentResult xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <_links>
    <Link>
      <rel>self</rel>
      <href>https://api.saasu.com/Payment/321?FileId=123</href>
      <method>POST</method>
    </Link>
    <Link>
      <rel>list</rel>
      <href>https://api.saasu.com/Payments?FileId=123</href>
      <method>GET</method>
    </Link>
    <Link>
      <rel>update</rel>
      <href>https://api.saasu.com/Payment/321?FileId=123</href>
      <method>PUT</method>
    </Link>
    <Link>
      <rel>delete</rel>
      <href>https://api.saasu.com/Payment/321?FileId=123</href>
      <method>DELETE</method>
    </Link>
  </_links>
  <LastUpdatedId>AAAKyf=</LastUpdatedId>
  <UtcLastModified>2025-10-13T18:00:06.9178931Z</UtcLastModified>
  <InsertedEntityId>321</InsertedEntityId>
</InsertPaymentResult>