diff --git a/src/sections/finances.ts b/src/sections/finances.ts
index 642bd675..5f44fe85 100644
--- a/src/sections/finances.ts
+++ b/src/sections/finances.ts
@@ -1,11 +1,82 @@
-import { HttpClient, Resource } from '../http'
+import { Codec, enumeration, GetInterface, number, optional, string } from 'purify-ts'
+
+import { ParsingError } from '../error'
+import { HttpClient, RequestMeta, Resource } from '../http'
+import { ensureArray, ensureString, mwsDate, nextToken as nextTokenCodec } from '../parsing'
 import { getServiceStatusByResource } from './shared'
 
 const FINANCES_API_VERSION = '2015-05-01'
 
+interface ListFinancialEventGroupsParameters {
+  MaxResultsPerPage?: number
+  FinancialEventGroupStartedAfter: Date
+  FinancialEventGroupStartedBefore?: Date
+}
+
+enum ProcessingStatusEnum {
+  Open = 'Open',
+  Closed = 'Closed',
+}
+
+const ProcessingStatus = enumeration(ProcessingStatusEnum)
+
+const CurrencyAmount = Codec.interface({
+  CurrencyCode: optional(string),
+  CurrencyAmount: optional(number),
+})
+
+const FinancialEventGroup = Codec.interface({
+  FinancialEventGroupId: optional(string),
+  ProcessingStatus: optional(ProcessingStatus),
+  FundTransferStatus: optional(string),
+  OriginalTotal: optional(CurrencyAmount),
+  ConvertedTotal: optional(CurrencyAmount),
+  FundTransferDate: optional(mwsDate),
+  TraceId: optional(ensureString),
+  AccountTail: optional(ensureString),
+  BeginningBalance: optional(CurrencyAmount),
+  FinancialEventGroupStart: optional(mwsDate),
+  FinancialEventGroupEnd: optional(mwsDate),
+})
+
+const ListFinancialEventGroups = Codec.interface({
+  NextToken: optional(nextTokenCodec('ListFinancialEventGroups')),
+  FinancialEventGroupList: ensureArray('FinancialEventGroup', FinancialEventGroup),
+})
+
+type ListFinancialEventGroups = GetInterface<typeof ListFinancialEventGroups>
+
+const ListFinancialEventGroupsResponse = Codec.interface({
+  ListFinancialEventGroupsResponse: Codec.interface({
+    ListFinancialEventGroupsResult: ListFinancialEventGroups,
+  }),
+})
+
 export class Finances {
   constructor(private httpClient: HttpClient) {}
 
+  async listFinancialEventGroups(
+    parameters: ListFinancialEventGroupsParameters,
+  ): Promise<[ListFinancialEventGroups, RequestMeta]> {
+    const [response, meta] = await this.httpClient.request('POST', {
+      resource: Resource.Finances,
+      version: FINANCES_API_VERSION,
+      action: 'ListFinancialEventGroups',
+      parameters: {
+        MaxResultsPerPage: parameters.MaxResultsPerPage,
+        FinancialEventGroupStartedAfter: parameters.FinancialEventGroupStartedAfter.toISOString(),
+        FinancialEventGroupStartedBefore: parameters.FinancialEventGroupStartedBefore?.toISOString(),
+      },
+    })
+
+    return ListFinancialEventGroupsResponse.decode(response).caseOf({
+      Right: (x) => [x.ListFinancialEventGroupsResponse.ListFinancialEventGroupsResult, meta],
+      Left: (error) => {
+        throw new ParsingError(error)
+      },
+    })
+  }
+
   async getServiceStatus() {
     return getServiceStatusByResource(this.httpClient, Resource.Finances, FINANCES_API_VERSION)
   }
diff --git a/test/unit/__snapshots__/finances.test.ts.snap b/test/unit/__snapshots__/finances.test.ts.snap
index d06a202f..b57fa06f 100644
--- a/test/unit/__snapshots__/finances.test.ts.snap
+++ b/test/unit/__snapshots__/finances.test.ts.snap
@@ -1,6 +1,6 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`sellers getServiceStatus returns a parsed model when the status response is valid 1`] = `
+exports[`finances getServiceStatus returns a parsed model when the status response is valid 1`] = `
 Array [
   Object {
     "Status": "GREEN",
@@ -15,3 +15,42 @@ Array [
   },
 ]
 `;
+
+exports[`finances listFinancialEventGroups returns a next token and financial event groups list if succesful 1`] = `
+Array [
+  Object {
+    "FinancialEventGroupList": Array [
+      Object {
+        "AccountTail": "1212",
+        "BeginningBalance": Object {
+          "CurrencyCode": "USD",
+        },
+        "ConvertedTotal": Object {
+          "CurrencyCode": "USD",
+        },
+        "FinancialEventGroupEnd": 2014-09-09T07:30:00.000Z,
+        "FinancialEventGroupId": "22YgYW55IGNhcm5hbCBwbGVhEXAMPLE",
+        "FinancialEventGroupStart": 2014-09-01T07:30:00.000Z,
+        "FundTransferDate": 2014-09-09T07:30:00.000Z,
+        "FundTransferStatus": "Successful",
+        "OriginalTotal": Object {
+          "CurrencyCode": "USD",
+        },
+        "ProcessingStatus": "Closed",
+        "TraceId": "128311029381HSADJEXAMPLE",
+      },
+    ],
+    "NextToken": NextToken {
+      "action": "ListFinancialEventGroups",
+      "token": "2YgYW55IGNhcm5hbCBwbGVhcEXAMPLE",
+    },
+  },
+  Object {
+    "quotaMax": 1000,
+    "quotaRemaining": 999,
+    "quotaResetOn": 2020-04-06T10:22:23.582Z,
+    "requestId": "0",
+    "timestamp": 2020-05-06T09:22:23.582Z,
+  },
+]
+`;
diff --git a/test/unit/finances.test.ts b/test/unit/finances.test.ts
index ac9bab2d..ac55fc98 100644
--- a/test/unit/finances.test.ts
+++ b/test/unit/finances.test.ts
@@ -53,9 +53,9 @@ describe('finances', () => {
     it('throws a parsing error when the status response is not valid', async () => {
       expect.assertions(1)
 
-      await expect(() => mockMwsFail.finances.listFinancialEventGroups()).rejects.toStrictEqual(
-        new ParsingError(parsingError),
-      )
+      await expect(() =>
+        mockMwsFail.finances.listFinancialEventGroups(parameters),
+      ).rejects.toStrictEqual(new ParsingError(parsingError))
     })
   })