> You are reading the Docusign Developer Documentation. For clean Markdown of any page, append .md to the page URL.
>
> Documentation indexes by section:
> - APIs and SDKs: https://docusign.docs.buildwithfern.com/docs/llms.txt
> - Platform 101: https://docusign.docs.buildwithfern.com/platform/llms.txt
> - Extension Apps: https://docusign.docs.buildwithfern.com/extension-apps/llms.txt
> - Docusign CLI: https://docusign.docs.buildwithfern.com/docusign-cli/llms.txt
>
> Authentication (OAuth, JWT Grant, M2M): https://docusign.docs.buildwithfern.com/platform/auth
> Webhooks and Connect: https://docusign.docs.buildwithfern.com/platform/webhooks
>
> OpenAPI specifications: https://docusign.docs.buildwithfern.com/openapi.json
> MCP server: https://docusign.docs.buildwithfern.com/_mcp/server

# APIErrorCode

[APIErrorCode](/docs/salesforce/apex-toolkit-reference/apierrorcode.html)

Description



`SUCCESS`

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

0

`FAILURE`

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

1

<code />

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

404

<code />

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

1003

<code />

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

1004

<code />

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

1005

<code />

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

1006

<code />

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

1007

<code />

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

1008

<code />

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

1011

<code />

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

1013

<code />

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

1014

<code />

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

1015

<code />

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

1016

<code />

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

1017

<code />

[Integer](https://www.salesforce.com/us/developer/docs/apexcode/Content/langCon_apex_primitives.htm)

1022