InstaBill

What it does

Create professional invoices in seconds. Auto-verify UPI payments and UTR numbers instantly. 100% free for Indian freelancers, developers, and agencies.

• 
  Cheq UPI2023 · ▲249

  A better payments app for NRIs and foreigners visiting India

• 
  UPI Stack for Businesses💸 by Cashfree2020 · ▲118

  Collect & disburse UPI payments. 1 stack, 15+integrations.

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  MyPaylink2022 · ▲78

  Create & share free UPI payment links & QR codes

• II
  InvoicingAPI is finally ready2024 · invoicingapi.com · ▲20

  After a lot of personal hardships over the past year, I can finally say that InvoicingAPI is ready for public use. It's a platform where you can create beautiful, customizable and dynamic, tax-compliant invoices with payment links built in, so your clients pay you faster. In your dashboard you can see your payments and payouts to your bank. This is just an initial release and plenty of features are in the pipeline, like an online builder, automated sending, 3rd party app integration, etc. Feel free to poke around and let me know your thoughts!

• AI
  AI Invoicing with Jinna – Create, Send and Chase to Get Paid FasterNov 2025 · jinna.ai · ▲6

  Hello Hacker News! I'm helping my friends to launch Jinna - your AI-mate built to get you paid faster. Jinna lets you create invoices via voice, text, or file upload. Customize with logos, media, and payment links (with Stripe integration). The system automatically sends invoices and can follow up with configurable reminders based on your preferred timing and tone. Happy to hear any feedback!

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  UPI QR CodesMay 2026 · upiqrcodes.com · ▲1

  Free UPI QR code generator for Indian payments

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  PaymentKit▲466

  Billing that survives a processor shutdown

  Commerce · 13d ago · paymentkit.com

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  Equitybee Benchmark▲241

  Compare your startup equity grant for free.

  Commerce · 26d ago · equitybee.com

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  Brew ▲905

  Like Claude design for email marketing

  AI · May 2026 · brew.new

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  Kilo Code for VS Code▲897

  Parallel agents, diff reviewer, and multi-model comparisons

  Dev tools · May 2026 · kilo.ai

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  StoreClaw▲805

  Grow your store profits with agents that know how to sell

  AI · May 2026 · storeclaw.ai

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  PollyReach▲796

  Give your agent a real number and voice to make calls.

  AI · May 2026 · pollyreach.ai

• NW
  Needle: We Distilled Gemini Tool Calling into a 26M Model▲776

  Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…

  Life & fun · May 2026 · github.com

• FM
  Files.md – Open-source alternative to Obsidian▲730

  Dev tools · May 2026 · github.com