Turn WhatsApp invoice photos into receipts automatically

Couriers send invoice and payment photos over WhatsApp, and AI creates and closes the receipt for you.

How the work actually flows

A straight line. A person has to approve before it continues.

Pattern: Sequence (1) ยท Transient Trigger (23)

flowchart TD trig>"courier sends invoice photo"]:::trig s0["read invoice via OCR"]:::svc s1["match payment photo to invoice"]:::task s2["issue receipt PDF"]:::svc s3["send receipt via whatsapp"]:::svc trig --> s0 s0 --> s1 s2 --> s3 hg(("courier confirms match")):::human s1 --> hg hg -->|"approved"| s2 hg -. "sent back" .-> s1 out[/"receipt issued and invoice closed out"/]:::out pay{{"faster reconciling of payments and invoices"}}:::pay s3 --> out out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff
Starts itA stepAn outside serviceA personResultPayoff
Build size
Advanced

A larger build with multiple systems, AI reasoning, and custom rules.

Business functions
AI Agents & Autonomous SystemsMessaging & NotificationsDocument Processing & OCRFinance & Accounting
Connects
WhatsAppGoogle VisionOpenAIRivhit

The problem it solves

Matching paper invoices to payments and typing up receipts by hand is slow and error-prone, especially when you're juggling it between deliveries. It's easy to lose a photo, mismatch a payment, or forget to close out an invoice.

Who it fits

A courier or delivery business that issues receipts for cash, check, or card payments.

How it works

  1. A courier sends a photo of an invoice through WhatsApp
  2. AI reads the invoice details using optical character recognition
  3. A photo of the payment (cash, check, card, or transfer) is matched to that invoice
  4. AI summarizes the match and asks for confirmation
  5. Once approved, the receipt is issued and the PDF is sent back over WhatsApp
What you get

Invoice matches confirmed before a receipt goes out

Couriers can text over invoice and payment photos, and matched receipts are issued and sent right back to them over WhatsApp.

What you get

A finalized receipt PDF, delivered back through WhatsApp, with the matching invoice closed out.

What you need

A WhatsApp business number, a Google Cloud Vision API key, an OpenAI API key, and a Rivhit account.

We can build this. But should you?

The hard question is not how to build it. It is whether this is the right thing to build first.

That is what a Fractional Chief AI Officer figures out with you, before anyone writes a line of code.

Let's Talk Strategy

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