diff --git a/src/hooks/memo.ts b/src/hooks/memo.ts
index cc31e545..9c5f4be8 100644
--- a/src/hooks/memo.ts
+++ b/src/hooks/memo.ts
@@ -1,4 +1,4 @@
-import { PaymentInformation } from '../types/publicAPI'
+import { PaymentInformation } from '../types/protocol'
 
 /**
  * This function is expected to be overwritten by companies deploying
diff --git a/src/services/basePayId.ts b/src/services/basePayId.ts
index 81e288e5..6211759b 100644
--- a/src/services/basePayId.ts
+++ b/src/services/basePayId.ts
@@ -1,5 +1,5 @@
 import { AddressInformation } from '../types/database'
-import { AddressDetailsType, PaymentInformation } from '../types/publicAPI'
+import { AddressDetailsType, PaymentInformation } from '../types/protocol'
 
 import { ParsedAcceptHeader } from './headers'
 
diff --git a/src/types/database.ts b/src/types/database.ts
index e0a4aa41..090a4b51 100644
--- a/src/types/database.ts
+++ b/src/types/database.ts
@@ -1,4 +1,4 @@
-import { CryptoAddressDetails, FiatAddressDetails } from './publicAPI'
+import { CryptoAddressDetails, FiatAddressDetails } from './protocol'
 
 /**
  * Model of the Account table schema for the database.
diff --git a/src/types/publicAPI.ts b/src/types/protocol.ts
similarity index 71%
rename from src/types/publicAPI.ts
rename to src/types/protocol.ts
index 914a163f..a2aca0fe 100644
--- a/src/types/publicAPI.ts
+++ b/src/types/protocol.ts
@@ -1,8 +1,3 @@
-/* eslint-disable import/no-cycle --
-Cycle between this file and types/verifiedAddress.ts. Should we combine these into one?
-*/
-import { VerifiedAddress } from './verifiedAddress'
-
 /**
  * Type of payment address in PaymentInformation.
  */
@@ -41,9 +36,30 @@ export interface PaymentInformation {
 /**
  * Address information included inside of a PaymentInformation object.
  */
-export interface Address {
+interface Address {
   readonly paymentNetwork: string
   readonly environment?: string
   readonly addressDetailsType: AddressDetailsType
   readonly addressDetails: CryptoAddressDetails | FiatAddressDetails
 }
+
+/**
+ * Object containing address information alongside signatures.
+ */
+interface VerifiedAddress {
+  readonly payload: VerifiedAddressPayload
+  readonly signatures: readonly VerifiedAddressSignature[]
+}
+
+interface VerifiedAddressPayload {
+  payId: string
+  payIdAddress: Address
+}
+
+/**
+ * JWS object for verification.
+ */
+interface VerifiedAddressSignature {
+  protected: string
+  signature: string
+}
diff --git a/src/types/verifiedAddress.ts b/src/types/verifiedAddress.ts
deleted file mode 100644
index 454f5765..00000000
--- a/src/types/verifiedAddress.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-/* eslint-disable import/no-cycle --
-Cycle between this file and types/publicApi.ts. Should we combine these into one? */
-import { Address } from './publicAPI'
-
-/**
- * Object containing address information alongside signatures.
- */
-export interface VerifiedAddress {
-  readonly payload: VerifiedAddressPayload
-  readonly signatures: readonly VerifiedAddressSignature[]
-}
-
-interface VerifiedAddressPayload {
-  payId: string
-  payIdAddress: Address
-}
-
-/**
- * JWS object for verification.
- */
-interface VerifiedAddressSignature {
-  protected: string
-  signature: string
-}
diff --git a/test/unit/formatPaymentInfo.test.ts b/test/unit/formatPaymentInfo.test.ts
index dfa79381..653a4843 100644
--- a/test/unit/formatPaymentInfo.test.ts
+++ b/test/unit/formatPaymentInfo.test.ts
@@ -1,7 +1,7 @@
 import { assert } from 'chai'
 
 import { formatPaymentInfo } from '../../src/services/basePayId'
-import { AddressDetailsType } from '../../src/types/publicAPI'
+import { AddressDetailsType } from '../../src/types/protocol'
 
 describe('Base PayID - formatPaymentInfo()', function (): void {
   it('Returns CryptoAddressDetails & FiatAddressDetails for addressDetailsTypes when formatting array with multiple AddressInformation', function () {
diff --git a/test/unit/getAddressDetailsType.test.ts b/test/unit/getAddressDetailsType.test.ts
index 5529c6ae..ea7f6f0f 100644
--- a/test/unit/getAddressDetailsType.test.ts
+++ b/test/unit/getAddressDetailsType.test.ts
@@ -1,7 +1,7 @@
 import { assert } from 'chai'
 
 import { getAddressDetailsType } from '../../src/services/basePayId'
-import { AddressDetailsType } from '../../src/types/publicAPI'
+import { AddressDetailsType } from '../../src/types/protocol'
 
 describe('Base PayID - getAddressDetailsType()', function (): void {
   it('Returns FiatAddressDetails for addressDetailsType when formatting ACH AddressInformation', function () {