---
lang: en
title: 'API docs: rest.resthttperrors'
keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI
sidebar: lb4_sidebar
editurl: https://github.com/loopbackio/loopback-next/tree/master/packages/rest
permalink: /doc/en/lb4/apidocs.rest.resthttperrors.html
---

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[Home](./index.md) &gt; [@loopback/rest](./rest.md) &gt; [RestHttpErrors](./rest.resthttperrors.md)

## RestHttpErrors namespace

**Signature:**

```typescript
export declare namespace RestHttpErrors 
```

## Functions

<table><thead><tr><th>

Function


</th><th>

Description


</th></tr></thead>
<tbody><tr><td markdown="1">

[invalidData(data, name, extraProperties)](./rest.resthttperrors.invaliddata.md)


</td><td markdown="1">


</td></tr>
<tr><td markdown="1">

[invalidParamLocation(location)](./rest.resthttperrors.invalidparamlocation.md)


</td><td markdown="1">


</td></tr>
<tr><td markdown="1">

[invalidRequestBody(details)](./rest.resthttperrors.invalidrequestbody.md)


</td><td markdown="1">


</td></tr>
<tr><td markdown="1">

[missingRequired(name)](./rest.resthttperrors.missingrequired.md)


</td><td markdown="1">


</td></tr>
<tr><td markdown="1">

[unsupportedMediaType(contentType, allowedTypes)](./rest.resthttperrors.unsupportedmediatype.md)


</td><td markdown="1">


</td></tr>
</tbody></table>

## Interfaces

<table><thead><tr><th>

Interface


</th><th>

Description


</th></tr></thead>
<tbody><tr><td markdown="1">

[ValidationErrorDetails](./rest.resthttperrors.validationerrordetails.md)


</td><td markdown="1">

An invalid request body error contains a `details` property as the machine-readable error. Each entry in `error.details` contains 4 attributes: `path`<!-- -->, `code`<!-- -->, `info` and `message`<!-- -->. `ValidationErrorDetails` defines the type of each entry, which is an object. The type of `error.details` is `ValidationErrorDetails[]`<!-- -->.


</td></tr>
</tbody></table>

## Variables

<table><thead><tr><th>

Variable


</th><th>

Description


</th></tr></thead>
<tbody><tr><td markdown="1">

[INVALID\_REQUEST\_BODY\_MESSAGE](./rest.resthttperrors.invalid_request_body_message.md)


</td><td markdown="1">


</td></tr>
</tbody></table>