CLI & SDKs

npx @sendflo/cli send report.pdf          # or: npm install -g @sendflo/cli
export SENDFLO_API_KEY=sk_live_…

# Send a file, get a link (7 days by default)
sendflo send report.pdf --expires 7d --password "a passphrase"

# End-to-end encrypted: the printed link holds half the key; SendFlo gives the other half only to
# someone who knows the password, and deletes it when the link is revoked or expires
sendflo send contract.pdf --encrypt --password "a passphrase"
sendflo get "https://sendflo.app/l/abc123#k=2.…" --password "a passphrase"

# ...with your mark stamped into it on this machine first (images and PDFs)
sendflo send contract.pdf --encrypt --stamp --stamp-label "Acme — confidential"

# Download a link (no key needed); resumes when interrupted
sendflo get https://sendflo.app/l/abc123 --out ./downloads

# Ask someone for a file
sendflo request "Please upload the signed contract"

# Make this computer one of your encryption devices: approve it in the app (Settings → Encryption)
# when it shows the same six digits — then open end-to-end files people uploaded to you
sendflo keys enrol
sendflo received
sendflo received get <id> --out ./downloads

# Send a file to someone's upload page (sealed here when the page encrypts uploads)
sendflo upload https://sendflo.app/u/acme-intake statement.pdf

# Manage what you sent
sendflo links
sendflo activity <link-id>       # who opened and downloaded what, with proof of delivery
sendflo people <link-id> --remove someone@example.com
sendflo pause <link-id>          # and: resume, revoke [--all]
sendflo credits

npm install @sendflo/sdk

import { SendFlo } from "@sendflo/sdk";
import { readFile } from "node:fs/promises";

const flo = new SendFlo({ apiKey: process.env.SENDFLO_API_KEY! });

// Send a file, get a link
const sent = await flo.sendFile(await readFile("report.pdf"), { name: "report.pdf" });
console.log(sent.url);

// Ask a human for a file
const ask = await flo.requestFile({ prompt: "Please upload the signed contract", maxFiles: 1 });
console.log("send this to the human:", ask.url);

// Balance check before a big job: out of credits is a 402, never a surprise bill
const { balance } = await flo.credits();

pip install sendflo

from sendflo import SendFlo

flo = SendFlo()                       # reads SENDFLO_API_KEY
sent = flo.send_file("report.pdf")
print(sent.url)

ask = flo.request_file("Upload your Q3 expense CSV")

{
  "mcpServers": {
    "sendflo": {
      "command": "npx",
      "args": ["-y", "@sendflo/mcp@1.7.0"],
      "env": { "SENDFLO_API_KEY": "sk_live_…" }
    }
  }
}