diff --git a/packages/errors/api-report.md b/packages/errors/api-report.md
index 6aa69592b7..019b6dd387 100644
--- a/packages/errors/api-report.md
+++ b/packages/errors/api-report.md
@@ -5,18 +5,12 @@
 ```ts
 import { JsonObject } from '@backstage/config';
 
-// Warning: (ae-missing-release-tag) "AuthenticationError" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
 // @public
 export class AuthenticationError extends CustomErrorBase {}
 
-// Warning: (ae-missing-release-tag) "ConflictError" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
 // @public
 export class ConflictError extends CustomErrorBase {}
 
-// Warning: (ae-missing-release-tag) "CustomErrorBase" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
 // @public (undocumented)
 export class CustomErrorBase extends Error {
   constructor(message?: string, cause?: Error);
@@ -24,15 +18,11 @@ export class CustomErrorBase extends Error {
   readonly cause?: Error;
 }
 
-// Warning: (ae-missing-release-tag) "deserializeError" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
 // @public
 export function deserializeError<T extends Error = Error>(
   data: SerializedError,
 ): T;
 
-// Warning: (ae-missing-release-tag) "ErrorResponse" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
 // @public
 export type ErrorResponse = {
   error: SerializedError;
@@ -45,34 +35,21 @@ export type ErrorResponse = {
   };
 };
 
-// Warning: (ae-missing-release-tag) "InputError" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
 // @public
 export class InputError extends CustomErrorBase {}
 
-// Warning: (ae-missing-release-tag) "NotAllowedError" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
 // @public
 export class NotAllowedError extends CustomErrorBase {}
 
-// Warning: (ae-missing-release-tag) "NotFoundError" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
 // @public
 export class NotFoundError extends CustomErrorBase {}
 
-// Warning: (ae-missing-release-tag) "NotModifiedError" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
 // @public
 export class NotModifiedError extends CustomErrorBase {}
 
-// Warning: (tsdoc-param-tag-missing-hyphen) The @param block should be followed by a parameter name and then a hyphen
-// Warning: (ae-missing-release-tag) "parseErrorResponse" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
 // @public
 export function parseErrorResponse(response: Response): Promise<ErrorResponse>;
 
-// Warning: (ae-missing-release-tag) "ResponseError" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
 // @public
 export class ResponseError extends Error {
   constructor(props: {
@@ -87,8 +64,6 @@ export class ResponseError extends Error {
   readonly response: Response;
 }
 
-// Warning: (ae-missing-release-tag) "SerializedError" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
 // @public
 export type SerializedError = JsonObject & {
   name: string;
@@ -97,10 +72,6 @@ export type SerializedError = JsonObject & {
   code?: string;
 };
 
-// Warning: (tsdoc-param-tag-missing-hyphen) The @param block should be followed by a parameter name and then a hyphen
-// Warning: (tsdoc-param-tag-with-invalid-name) The @param block should be followed by a valid parameter name: The identifier cannot non-word characters
-// Warning: (ae-missing-release-tag) "serializeError" is exported by the package, but it is missing a release tag (@alpha, @beta, @public, or @internal)
-//
 // @public
 export function serializeError(
   error: Error,
diff --git a/packages/errors/src/errors/CustomErrorBase.ts b/packages/errors/src/errors/CustomErrorBase.ts
index fc374287c7..a392135c13 100644
--- a/packages/errors/src/errors/CustomErrorBase.ts
+++ b/packages/errors/src/errors/CustomErrorBase.ts
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+/** @public */
 export class CustomErrorBase extends Error {
   readonly cause?: Error;
 
diff --git a/packages/errors/src/errors/ResponseError.ts b/packages/errors/src/errors/ResponseError.ts
index c8927a447c..f74ad2fa0c 100644
--- a/packages/errors/src/errors/ResponseError.ts
+++ b/packages/errors/src/errors/ResponseError.ts
@@ -24,6 +24,8 @@ import {
  * An error thrown as the result of a failed server request.
  *
  * The server is expected to respond on the ErrorResponse format.
+ *
+ * @public
  */
 export class ResponseError extends Error {
   /**
diff --git a/packages/errors/src/errors/common.ts b/packages/errors/src/errors/common.ts
index 51c82eeda5..dad236d4b5 100644
--- a/packages/errors/src/errors/common.ts
+++ b/packages/errors/src/errors/common.ts
@@ -29,16 +29,22 @@ import { CustomErrorBase } from './CustomErrorBase';
 
 /**
  * The given inputs are malformed and cannot be processed.
+ *
+ * @public
  */
 export class InputError extends CustomErrorBase {}
 
 /**
  * The request requires authentication, which was not properly supplied.
+ *
+ * @public
  */
 export class AuthenticationError extends CustomErrorBase {}
 
 /**
  * The authenticated caller is not allowed to perform this request.
+ *
+ * @public
  */
 export class NotAllowedError extends CustomErrorBase {}
 
@@ -47,16 +53,22 @@ export class NotAllowedError extends CustomErrorBase {}
  *
  * Note that this error usually is used to indicate that an entity with a given
  * ID does not exist, rather than signalling that an entire route is missing.
+ *
+ * @public
  */
 export class NotFoundError extends CustomErrorBase {}
 
 /**
  * The request could not complete due to a conflict in the current state of the
  * resource.
+ *
+ * @public
  */
 export class ConflictError extends CustomErrorBase {}
 
 /**
  * The requested resource has not changed since last request.
+ *
+ * @public
  */
 export class NotModifiedError extends CustomErrorBase {}
diff --git a/packages/errors/src/serialization/error.ts b/packages/errors/src/serialization/error.ts
index 46a2c2f74c..ab543164d8 100644
--- a/packages/errors/src/serialization/error.ts
+++ b/packages/errors/src/serialization/error.ts
@@ -22,6 +22,8 @@ import {
 
 /**
  * The serialized form of an Error.
+ *
+ * @public
  */
 export type SerializedError = JsonObject & {
   /** The name of the exception that was thrown */
@@ -37,12 +39,16 @@ export type SerializedError = JsonObject & {
 /**
  * Serializes an error object to a JSON friendly form.
  *
- * @param error The error
- * @param options.includeStackTraces: Include stack trace in the output (default false)
+ * @public
+ * @param error - The error.
+ * @param options - Optional serialization options.
  */
 export function serializeError(
   error: Error,
-  options?: { includeStack?: boolean },
+  options?: {
+    /** Include stack trace in the output (default false) */
+    includeStack?: boolean;
+  },
 ): SerializedError {
   const serialized = serializeErrorInternal(error);
   const result: SerializedError = {
@@ -60,6 +66,8 @@ export function serializeError(
 
 /**
  * Deserializes a serialized error object back to an Error.
+ *
+ * @public
  */
 export function deserializeError<T extends Error = Error>(
   data: SerializedError,
diff --git a/packages/errors/src/serialization/response.ts b/packages/errors/src/serialization/response.ts
index 0196b2d597..50bf8f7ab1 100644
--- a/packages/errors/src/serialization/response.ts
+++ b/packages/errors/src/serialization/response.ts
@@ -18,6 +18,8 @@ import { SerializedError } from './error';
 
 /**
  * A standard shape of JSON data returned as the body of backend errors.
+ *
+ * @public
  */
 export type ErrorResponse = {
   /** Details of the error that was caught */
@@ -47,7 +49,8 @@ export type ErrorResponse = {
  * The code is forgiving, and constructs a useful synthetic body as best it can
  * if the response body wasn't on the expected form.
  *
- * @param response The response of a failed request
+ * @public
+ * @param response - The response of a failed request
  */
 export async function parseErrorResponse(
   response: Response,