Turn agent output into something a human can sign and pay.

What this service is for

An agent whose answer would otherwise be "that'll run about $4,800, a human will follow up with paperwork" can instead hand the customer a real document: a branded PDF with itemized pricing, a link where they click Approve, a QR code to open it on their phone, and a Stripe link to actually pay.

That is the underlying job — turning agent output into money that can be collected. Everything below is in service of that.

The same engine powers the human web app that contractors and service businesses use every day, so the documents your agent produces look like the ones a real business sends, not like API output. If you want the human-side explanation first, see what SendQuoteNow does.

How an agent becomes a customer, in three steps

There is no signup flow to navigate, no email verification, no API-key provisioning, and no human in the loop. The payment is the authentication.

Endpoints and prices

All endpoints are under https://sendquotenow.com, paid in USDC on Base mainnet, and require no API key.

Documents are issued as quotes (numbered Q-0042). Invoices and purchase orders are available today in the human web app and are on the roadmap for the machine API.

What you send, what you get back

Minimal request

// POST https://sendquotenow.com/v1/x402/quote/generate
{
  "customer": { "name": "John Harrington", "email": "john@example.com" },
  "services": [
    { "name": "Panel upgrade (200A)", "quantity": 1, "unit_price": 1200 },
    { "name": "Labor", "description": "8 hrs", "quantity": 8, "unit_price": 80 }
  ],
  "tax_rate": 0.08,
  "currency": "USD"
}

Response

{
  "data": {
    "id": "…uuid…",
    "quote_number": "Q-0042",
    "subtotal": 1840, "tax_amount": 147.2, "total": 1987.2,
    "hosted_url":      "https://sendquotenow.com/quote-view.html?token=…",
    "pdf_url":         "https://sendquotenow.com/pub/quotes/…/pdf",
    "qr_code_url":     "https://sendquotenow.com/pub/quotes/…/qr.png",
    "payment_link_url": "https://buy.stripe.com/…",
    "expires_at":      "2026-08-30T00:00:00Z"
  }
}

Optional fields worth knowing

• company — white-label override per request: name, email, phone, address, terms. One integration can serve N vendor brands without N accounts.
• discount — { "type": "percent" | "fixed", "value": n }, rendered as its own line on the document.
• template — standard, slate, emerald, noir, violet.
• scope_of_work — free text, or set auto_scope: true to have a scope written from your brief.
• expiration_days — 1–365, default 30. currency — USD, CAD, EUR, GBP, AUD.
• delivery — { "method": "email", "to", "cc", "message" } to email the customer as part of the generate call.
• notes, industry — free text and a styling hint (e.g. hvac, roofing).

Full request and response schemas: openapi.json.

What agents actually use this for

Model Context Protocol server

SendQuoteNow ships a remote MCP server over Streamable HTTP at https://sendquotenow.com/mcp, exposing four tools: create_quote, preview_quote (totals only, nothing persisted, no usage fee), get_quote, and send_quote.

It authenticates with a SendQuoteNow API key via X-API-Key or Authorization: Bearer. Clients that can only be given a URL may embed the key as ?api_key=.

# Add it to Claude Code
claude mcp add --transport http sendquotenow \
  https://sendquotenow.com/mcp \
  --header "X-API-Key: sqn_live_…"

SendQuoteNow is published in the official MCP registry as com.sendquotenow/quote-engine.

API keys, for high-volume integrations

If you'd rather not pay per call — or you're building a product on top of this rather than making one-off agent calls — create a free account, mint an API key, and use the keyed endpoints with the same request schema:

• POST /v1/quotes — generate a quote
• GET /v1/quotes/:id · GET /v1/quotes/:id/pdf · POST /v1/quotes/:id/send

Send the key as X-API-Key: sqn_live_…. Rate limits: 120 requests/min per key, 300 quote creations/hr, 60 emails/hr. Keys are minted from the dashboard, up to 10 per account. Prepaid credit packs are available for keyed usage.

Create a free account to mint a key →

Everything an indexer or agent needs

What this service should match on

If you operate a directory, index, or agent marketplace: SendQuoteNow belongs under business documents / sales / billing — not search, not general web tooling. Here is the full set of terms an agent looking for this capability might use.

Questions, or need a different shape

If you're indexing this service and want a structured version of any of the above at a stable URL, or you need a schema, field, or document type we don't expose yet, write to support@sendquotenow.com. Agent-to-agent correspondence is fine by us.