BlitzAPI vs Invoice Guru

Smart ICP Targeting & People Search

Stop shooting in the dark. Our algorithm doesn't just find leads; it hunts down your ideal customer profile with precision. Input your target criteria, and BlitzAPI instantly surfaces and ranks decision-makers, prioritizing the contacts that actually matter so your team can focus on closing, not guessing.

Verified Email & Phone Enrichment

Get work emails and direct dials you can actually trust. We go beyond simple lookups to deliver verified, accurate contact data with a focus on deliverability. Say goodbye to bounces and hello to inboxes, with real-time validation that ensures your outreach hits its mark every single time.

Catch-All Email Validation Mastery

Catch-all domains are a prospector's nightmare—until now. BlitzAPI's specialized validation boasts over 98% accuracy in real-time, letting you definitively separate legitimate contacts from black holes. Never waste a credit or a sales rep's time on an invalid email again.

Unlimited Data Enrichment API

Enrich everything at scale through simple, powerful API calls. Feed in a name or company, and get back a comprehensive profile packed with emails, phones, LinkedIn URLs, and firmographic data. It's the flexible, API-first architecture that molds to your workflow, not the other way around.

Instant Invoice Creation

Create and send a professional invoice in under a minute. Just enter your client's details and items, and everything else is automatic—logos, VAT, payment terms, and due dates. Say goodbye to tedious Excel or Word templates and embrace a mobile-ready, HMRC-compliant solution.

Automatic Invoice Numbering

Invoice Guru takes care of the details by automatically numbering and dating your invoices according to your fiscal year settings. No more worrying about keeping track of your finances; everything is organized and compliant with ease.

Smart Payment Tracking

Never lose track of payments again. Invoice Guru matches incoming bank transactions with unpaid invoices, giving you instant visibility into which clients have paid, which invoices are overdue, and which need gentle reminders. Stay on top of your cash flow effortlessly.

OCR Receipt Scanner (AI Recognition)

Just snap a photo of your receipt, and let Invoice Guru's AI do the rest. It reads all your receipt details—supplier, date, amount, VAT—and saves them as expense entries. Spend less time on manual data entry and more time focusing on your work.

Automating Outbound Sales Sequences

Fuel your cold email and call campaigns with a firehose of accurate data. Automatically enrich lead lists with verified emails and phone numbers before they hit your sales engagement platform, ensuring higher connect rates and saving your SDRs hours of manual research.

Building Scalable Lead Generation Pipelines

Power your inbound and content-driven growth. Instantly enrich form submissions and website visitors with full company and contact profiles, turning anonymous traffic into qualified, sales-ready leads without any manual intervention.

Supercharging CRM Data Hygiene

Keep your Salesforce or HubSpot database pristine and powerful. Use BlitzAPI to run automated hygiene checks, validate existing contact information, and fill in missing data points, ensuring your revenue team is always working with the cleanest, most actionable data.

Executing Account-Based Marketing (ABM) Plays

Launch hyper-targeted ABM campaigns with confidence. Identify and enrich all key stakeholders within your target accounts, getting accurate contact information to personalize your outreach and coordinate multi-touch campaigns across sales and marketing.

Freelancers on the Move

Freelancers hustling between gigs can whip up and send invoices in seconds right from their mobile devices. No need to sit down at a desk; get paid faster while you keep moving.

Tradespeople Managing Multiple Jobs

Plumbers, electricians, and builders juggling multiple jobs can use Invoice Guru to create and send invoices on-site. Finish the job, invoice on the spot, and watch your cash flow improve.

Small Business Owners Simplifying Bookkeeping

Small business owners can automate their invoicing process, reducing manual workload and minimizing errors. With integrated bank tracking and automatic payment reminders, you stay organized and stress-free.

Seasonal Workers Tracking Earnings

Seasonal workers can benefit from Invoice Guru by quickly generating invoices as they complete jobs. The app helps you keep track of earnings and expenses, making tax season less of a headache.

BlitzAPI isn't just another data provider; it's the high-octane API engine that fuels unstoppable GTM playbooks. Built for Growth, SalesOps, and RevOps teams who are tired of the noise, it delivers clean, verified B2B data on-demand to supercharge prospecting and outbound workflows. Think of it as your automated data teammate, giving you instant access to a powerhouse of over 360 million contacts and 60 million company profiles. Its core mission is ruthless efficiency: prioritize quality over quantity, guarantee deliverability-first, and integrate so seamlessly it feels like a native part of your stack. For GTM agencies and outbound squads building repeatable, scalable systems, BlitzAPI cuts through the data clutter. You get laser-accurate email and phone enrichment, smart ICP targeting, and real-time validation—paying only for verified results, not wasted credits on dead leads. It’s the infrastructure that transforms your playbook from a manual grind into an automated growth machine.

Tired of clunky invoicing apps that feel like they were designed for office drones? Meet Invoice Guru—the mobile-first invoicing sidekick crafted specifically for tradespeople and small service businesses. No more laboring over complicated desktop software; Invoice Guru is your go-to solution, built from the ground up for real-world hustle. Whether you're a plumber knee-deep in a client's damp basement, an electrician balancing precariously on a ladder, or a cleaner hustling between jobs, this app is designed for you. With a mission to slash admin time and get you paid faster, Invoice Guru allows you to go from job completed to invoice sent in under 60 seconds using HMRC-compliant templates. But wait, it's more than just quick invoicing; it's your automated back-office. Enjoy smart features like AI-powered receipt scanning that reads your crumpled petrol receipts and intuitive bank integration that automatically matches payments. Plus, it's built to adapt to upcoming regulations like UK MTD. Created by someone who understands your grind, Invoice Guru cuts through the complexity of traditional tools, giving you the simplicity, speed, and peace of mind you need to focus on your craft instead of drowning in paperwork.

What makes BlitzAPI different from other data providers?

We're built API-first for seamless integration, and we operate on a deliverability-first principle. You pay only for verified, accurate results—not for noise. Our focus is on providing high-quality data that works within your existing GTM playbooks, not forcing you to adapt to a clunky platform.

How accurate is the email validation, especially for catch-alls?

Our catch-all email validation is a game-changer, with a proven accuracy rate of over 98%. We use advanced, real-time techniques to determine if an address on a catch-all domain is likely to deliver, drastically reducing bounce rates and protecting your sender reputation.

What does "pay only for verified results" mean?

Unlike providers that charge for every lookup, we often use a credit system where you are only charged for successful, verified enrichments. If we can't find a valid email or phone number, you typically don't pay. This aligns our success with yours and eliminates wasted spend.

How easy is it to integrate BlitzAPI into our tech stack?

Extremely easy. BlitzAPI is designed for developers and operations teams with clean, well-documented REST APIs. It plugs directly into your CRM, marketing automation, sales engagement tools, or custom internal systems, enabling you to automate data flows in minutes, not days.

How does Invoice Guru ensure HMRC compliance?

Invoice Guru is designed with HMRC-compliant templates that adhere to UK regulations. This ensures that your invoices meet all legal requirements, giving you peace of mind while you focus on your work.

Can I customize my invoices with my branding?

Absolutely! Invoice Guru allows you to add your logo, company name, address, and tax number automatically on each invoice. Custom branding helps reflect your business identity and professionalism.

Is Invoice Guru suitable for international invoicing?

Yes! Invoice Guru supports multiple languages and currencies, making it perfect for tradespeople working with clients across Europe. Easily manage invoices in your preferred language and local formats.

What kind of support does Invoice Guru offer?

Invoice Guru provides comprehensive support through its website, including FAQs, tutorials, and customer service options. Whether you're a tech whiz or a novice, help is just a click away to get you started.

BlitzAPI is your ultimate B2B data engine, a powerhouse API suite that fuels go-to-market teams with clean, verified intel. It's the secret weapon for sales and marketing pros who need to find, enrich, and validate contacts at scale, cutting through the noise to hit real targets. But even the slickest tools aren't a one-size-fits-all. Maybe the pricing model doesn't match your startup hustle, or you need a different feature mix for your unique playbook. Perhaps your tech stack demands a specific integration or a different data sourcing approach. It's all about finding the right fit for your squad's rhythm. When scouting for other options, keep your eyes on the prize. Don't just chase the cheapest deal—scrutinize data accuracy like a hawk, because bad intel is a growth killer. Check how fresh and deliverable the contact info really is. Ensure it plugs into your existing workflow without a headache. The goal is a tool that amplifies your hustle, not one that creates more work.

Invoice Guru is your go-to mobile sidekick for whipping up HMRC-compliant invoices in a flash. Tailored specifically for tradespeople and small service businesses, it's designed to help you transition from job done to invoice sent in under 60 seconds. With its no-nonsense approach, Invoice Guru cuts through the clunky, outdated desktop software that so many others rely on, making invoicing a breeze, even in the toughest conditions. Users often search for alternatives when they feel the pinch of pricing, lack of essential features, or when the platform just doesn't vibe with their on-the-go lifestyle. When hunting for an alternative, focus on ease of use, mobile functionality, and the ability to integrate seamlessly with your existing systems. The right choice should empower your hustle, streamline your workflow, and keep you focused on what really matters—getting paid and keeping your business running smoothly.