EU E-Invoice API runs on your own machine — the client starts it, so there is no endpoint to ping. 282 installs a week from npm.
Validate, parse and generate EU e-invoices: XRechnung, ZUGFeRD, Peppol BIS, KSeF, FatturaPA.
Nothing serious here today
Today is the operative word: we check EU E-Invoice API every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add mcp -e 'EINVOICE_API_BASE_URL=<EINVOICE_API_BASE_URL>' -e 'EINVOICE_API_KEY=<EINVOICE_API_KEY>' -- npx -y @einvoiceapi/mcp{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"@einvoiceapi/mcp"
],
"env": {
"EINVOICE_API_BASE_URL": "<EINVOICE_API_BASE_URL>",
"EINVOICE_API_KEY": "<EINVOICE_API_KEY>"
}
}
}
}[mcp_servers.mcp]
command = "npx"
args = ["-y", "@einvoiceapi/mcp"]
env = { EINVOICE_API_BASE_URL = "<EINVOICE_API_BASE_URL>", EINVOICE_API_KEY = "<EINVOICE_API_KEY>" }{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"@einvoiceapi/mcp"
],
"env": {
"EINVOICE_API_BASE_URL": "<EINVOICE_API_BASE_URL>",
"EINVOICE_API_KEY": "<EINVOICE_API_KEY>"
}
}
}
}{
"servers": {
"mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@einvoiceapi/mcp"
],
"env": {
"EINVOICE_API_BASE_URL": "<EINVOICE_API_BASE_URL>",
"EINVOICE_API_KEY": "<EINVOICE_API_KEY>"
}
}
}
}Put your own values in place of
<EINVOICE_API_BASE_URL> (API base URL (the gateway shown in the developer portal)), <EINVOICE_API_KEY> (Your API key from the developer portal (free plan available)).
The author’s registry entry marks them as required.
Alternatives to EU E-Invoice API
same job, measured the same wayValidate, parse and render EU e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS 3.0, KSeF.
Validate and parse German e-invoices (XRechnung, ZUGFeRD, Factur-X) offline. No API key.
Italian e-invoicing (FatturaPA/SdI), Peppol, KSeF, ZUGFeRD, and PDF invoice generation via POP
KoSIT-verified German e-invoices: generate & validate ZUGFeRD, Factur-X, XRechnung, EN 16931.
Generate & validate EN 16931 e-invoices (Factur-X, ZUGFeRD, XRechnung); verification certificates
Validate, generate and read German e-invoices (XRechnung, ZUGFeRD) against the official KoSIT rules.
E-invoice checker for ZUGFeRD, Factur-X, XRechnung and Peppol BIS. Free web tool, API and MCP.
E-invoice checker for ZUGFeRD, Factur-X, XRechnung and Peppol BIS. Free web tool, API and MCP.
EU E-Invoice API — questions
Answers built from our own checks of this server.