MCP Payway runs on your own machine — the client starts it, so there is no endpoint to ping. 35 installs a week from npm. Last commit 27 Sep 2026.
Payway (ex-Decidir) — Argentina card acquiring: tokenize, charge, capture, refund
Nothing serious here today
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.
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-payway -e 'PAYWAY_PUBLIC_API_KEY=<PAYWAY_PUBLIC_API_KEY>' -e 'PAYWAY_PRIVATE_API_KEY=<PAYWAY_PRIVATE_API_KEY>' -- npx -y @codespar/mcp-payway{
"mcpServers": {
"mcp-payway": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-payway"
],
"env": {
"PAYWAY_PRIVATE_API_KEY": "<PAYWAY_PRIVATE_API_KEY>",
"PAYWAY_PUBLIC_API_KEY": "<PAYWAY_PUBLIC_API_KEY>"
}
}
}
}[mcp_servers.mcp-payway]
command = "npx"
args = ["-y", "@codespar/mcp-payway"]
env = { PAYWAY_PUBLIC_API_KEY = "<PAYWAY_PUBLIC_API_KEY>", PAYWAY_PRIVATE_API_KEY = "<PAYWAY_PRIVATE_API_KEY>" }{
"mcpServers": {
"mcp-payway": {
"command": "npx",
"args": [
"-y",
"@codespar/mcp-payway"
],
"env": {
"PAYWAY_PRIVATE_API_KEY": "<PAYWAY_PRIVATE_API_KEY>",
"PAYWAY_PUBLIC_API_KEY": "<PAYWAY_PUBLIC_API_KEY>"
}
}
}
}{
"servers": {
"mcp-payway": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@codespar/mcp-payway"
],
"env": {
"PAYWAY_PRIVATE_API_KEY": "<PAYWAY_PRIVATE_API_KEY>",
"PAYWAY_PUBLIC_API_KEY": "<PAYWAY_PUBLIC_API_KEY>"
}
}
}
}Put your own values in place of
<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).
The author’s registry entry marks them as required.
Optional settings from the registry entry, left out of the block above:
PAYWAY_ENV (Environment: 'sandbox' or 'production'. Defaults to 'sandbox' (Decidir sandbox host)).
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Explore Carbon docs, components, tokens, icons, charts, and code examples.
MCP Payway — questions
Answers built from our own checks of this server.