How to fix npm ERR! code EFUNDINGINVALID npm ERR! Invalid funding configuration in npm

npmBEGINNERLOWUpdated Dec 2, 2025· 172 views

The funding field in package.json is invalid. Use a valid URL/object/array per npm funding spec.

Quick fix

Fixes npm ERR! code EFUNDINGINVALID npm ERR! Invalid funding configuration

"funding": "https://github.com/sponsors/you"
  1. Use the correct funding format
  2. Validate URLs
  3. Republish or reinstall
npm — error
"funding": "https://github.com/sponsors/you"
npm ERR! code EFUNDINGINVALID
npm ERR! Invalid funding configuration

What this error means

npm validates the funding field. Invalid types or malformed entries cause EFUNDINGINVALID during publish or install warnings.

Typical symptoms

  • npm publish fails/warns about invalid funding
  • Funding field uses wrong format or invalid URL

Common causes

  1. funding not a string/object/array per spec
  2. Malformed URL in funding entries

How to fix "npm ERR! code EFUNDINGINVALID npm ERR! Invalid funding configuration"

1Use the correct funding format

Examples:

String URL:

json
"funding": "https://github.com/sponsors/you"

Object:

json
"funding": { "type": "individual", "url": "https://github.com/sponsors/you" }

Array of objects is also allowed.

2Validate URLs

Ensure funding URLs are valid HTTP(S) links.

3Republish or reinstall

After fixing funding, rerun npm publish or npm install.

Advanced notes

Funding metadata is optional; keep it accurate to avoid warnings. Follow npm’s funding schema.

Frequently asked questions

What does "npm ERR! code EFUNDINGINVALID npm ERR! Invalid funding configuration" mean?
npm validates the funding field. Invalid types or malformed entries cause EFUNDINGINVALID during publish or install warnings.
How do I fix "npm ERR! code EFUNDINGINVALID npm ERR! Invalid funding configuration"?
The funding field in package.json is invalid. Use a valid URL/object/array per npm funding spec.
What causes "npm ERR! code EFUNDINGINVALID npm ERR! Invalid funding configuration"?
funding not a string/object/array per spec Malformed URL in funding entries
Is the "npm ERR! code EFUNDINGINVALID npm ERR! Invalid funding configuration" error serious?
It is a low-severity error — more of a blocker than a risk. The steps above resolve it.

Official resources & further reading