MCP Payway runs on your own machine — the client starts it, so there is no endpoint to ping. 17 installs a week from npm. Last commit 29 Aug 2026.
Payway (ex-Decidir) — Argentina card acquiring: tokenize, charge, capture, refund
Today is the operative word: we check MCP Payway every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
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-payway -- npx -y @codespar/mcp-payway
{
"mcpServers": {
"mcp-payway": {
"args": [
"-y",
"@codespar/mcp-payway"
],
"command": "npx"
}
}
}
[mcp_servers.mcp-payway]
command = "npx"
args = ["-y", "@codespar/mcp-payway"]
{
"mcpServers": {
"mcp-payway": {
"args": [
"-y",
"@codespar/mcp-payway"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"mcp-payway": {
"args": [
"-y",
"@codespar/mcp-payway"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
PAYWAY_PUBLIC_API_KEY (Payway PUBLIC apikey — used only by create_token (card tokenization)), PAYWAY_PRIVATE_API_KEY (Payway PRIVATE apikey — payments, captures, refunds and queries), PAYWAY_ENV (Environment: 'sandbox' or 'production'. Defaults to 'sandbox' (Decidir sandbox host).).
The author declared them in the registry entry; get the values from the project itself.
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Answers built from our own checks of this server.