BlitzAPI vs Postproxy

Smart ICP Targeting & People Search

Find your ideal customer profile in seconds. BlitzAPI's powerful search algorithm instantly surfaces and ranks decision-makers based on your specific criteria like role, seniority, industry, and company size. This eliminates guesswork and delivers a prioritized list of high-intent prospects directly to your workflow, accelerating the top of your funnel.

Verified Email & Phone Enrichment

Get accurate, direct contact information every time. BlitzAPI's enrichment APIs append verified work emails and direct-dial phone numbers to your lead records in real-time. This ensures your outreach hits the right inbox and phone line, dramatically increasing connection rates and the efficiency of your sales and marketing campaigns.

Catch-All Email Validation with >98% Accuracy

Stop wasting credits on undeliverable leads. BlitzAPI's advanced validation engine specializes in identifying catch-all domain emails with industry-leading accuracy. This real-time verification protects your sender reputation, improves deliverability, and guarantees you're only paying for contacts that can actually be reached.

Unlimited Data Enrichment via API

Enrich at scale with simple, flexible API calls. Seamlessly integrate BlitzAPI into your existing CRM, marketing automation, or custom tools. Enrich leads with comprehensive data—from LinkedIn profiles and company details to technographics—all through a clean, developer-friendly API built for unlimited, reliable scaling.

Unified API

Postproxy offers a single API that handles the intricacies of multiple social media platforms, eliminating the need for individual integrations. This means you can publish to various networks seamlessly from a single endpoint, vastly simplifying your workflow.

Automated Content Adaptation

With Postproxy, content is automatically transformed to meet the specific requirements of each platform. This feature ensures that your posts maintain their integrity and effectiveness, regardless of where they are published, saving you time on manual adjustments.

Robust Error Handling

The API is designed to manage operational failures intelligently. It incorporates automatic retries, handles rate limits, and is aware of quotas, ensuring that your publishing process is smooth and reliable even in the face of unexpected issues.

Clear Publishing States

Postproxy provides explicit publish states, allowing users to know exactly what posts succeeded, what failed, and the reasons behind any failures. This transparency minimizes the need for manual checks and boosts confidence in your publishing pipeline.

Automating Outbound Sales Prospecting

Supercharge your SDR team by automating lead list building. Integrate BlitzAPI to automatically enrich inbound leads or build targeted prospect lists from scratch with verified emails and phones. This creates a seamless, high-velocity outbound engine that fills calendars faster and reduces manual data entry by over 80%.

Building Scalable Account-Based Marketing (ABM) Campaigns

Execute precise ABM plays at scale. Use the Company and People Search APIs to identify all key stakeholders within your target accounts. Enrich their profiles with accurate data to personalize campaigns effectively, ensuring your marketing messages resonate with the entire buying committee for maximum impact.

Cleansing and Augmenting CRM Data

Instantly upgrade your existing database. Run your stale CRM contacts through BlitzAPI's enrichment endpoints to verify email addresses, update job titles, append phone numbers, and refresh company information. This revitalizes old leads, improves segmentation, and ensures your team is working with actionable, current data.

Powering Recruitment and Talent Sourcing Pipelines

Accelerate talent acquisition by sourcing qualified candidates efficiently. Recruiters can use the people search API to find professionals by skill, title, and company, then enrich profiles with contact details and LinkedIn URLs. This streamlines outreach and builds robust pipelines for hard-to-fill roles.

Automated Social Media Marketing

Marketing teams can leverage Postproxy to automate their social media campaigns. By integrating content generation tools and scheduling features, they can publish tailored posts across platforms effortlessly, maximizing their outreach.

Streamlined Content Distribution

Content creators can use Postproxy to distribute their work across multiple social networks simultaneously. This ensures that their audience receives updates in real-time without the hassle of manual posting on each platform.

Efficient Brand Management

Companies managing multiple brands and accounts can utilize Postproxy to streamline their social media presence. By linking various accounts through a single API, they can maintain control over permissions and access while simplifying their operational processes.

Scalable Publishing Solutions

For businesses experiencing growth, Postproxy offers the scalability needed for increased publishing demands. Whether publishing ten posts or ten thousand, the API maintains consistent logic and performance, allowing users to focus on their content strategy.

BlitzAPI is the high-speed API engine built to power every modern GTM playbook. It delivers instant, programmatic access to a massive database of clean, verified B2B data, enabling growth, sales, and revenue operations teams to automate and scale their prospecting workflows at lightning speed. Forget manual research and unreliable data—BlitzAPI provides powerful, single-endpoint APIs for people search, email and phone enrichment, LinkedIn matching, and company profiling. It's designed for GTM agencies, outbound sales teams, and RevOps professionals who demand accuracy and scalability. The core value proposition is twofold: prioritize quality over noise with deliverability-first data, and integrate seamlessly so you pay only for verified results. With over 360 million contacts and 60 million company profiles, BlitzAPI transforms raw leads into targeted, actionable intelligence, empowering teams to execute repeatable playbooks with precision and efficiency, ultimately driving more pipeline with less effort.

Postproxy is a cutting-edge API solution designed to streamline social media publishing across multiple platforms, including Instagram, Facebook, YouTube, LinkedIn, and X. It simplifies the complexities of social media integration by providing a unified endpoint that automates OAuth processes, rate limits, and retries, while also adapting content and delivering analytics. This tool is particularly beneficial for developers and automators who leverage platforms like n8n, Zapier, and CI/CD pipelines. With Postproxy, publishing becomes a predictable infrastructure layer, allowing users to generate AI content, route it according to predefined rules, and publish at scale without the hassle of manual adjustments. The platform offers a free plan, enabling users to scale their publishing needs as they grow, making it an optimal choice for teams seeking reliability and efficiency in their social media strategies.

What makes BlitzAPI different from other data providers?

BlitzAPI is built on an API-first architecture designed for integration and scale, not just data delivery. We prioritize verified, deliverability-first data (especially on catch-all domains) and operate on a pay-for-results model. This means you integrate our engine into your workflow and only pay for accurate, usable data, not noisy leads.

How do you ensure such high email accuracy and deliverability?

Our >98% deliverability rate is achieved through a multi-layered validation process. We combine real-time SMTP checks, domain pattern analysis, and proprietary algorithms specifically tuned to identify and validate catch-all email servers. This rigorous system ensures the contacts you get are current and reachable.

Is BlitzAPI easy to integrate with our existing tech stack?

Absolutely. BlitzAPI is built for developers and no-code platforms alike. We offer clean, well-documented REST APIs that can be plugged into any CRM (like Salesforce, HubSpot), marketing automation tool, or custom internal system in minutes. The focus is on adapting to your workflow, not forcing you to change it.

What is your pricing model?

BlitzAPI uses a transparent credit-based system. You purchase credits and consume them only for successful API queries that return verified data (e.g., a found email, a validated phone number). This "pay for performance" approach ensures you never waste budget on bad leads. Start with 1,000 free credits to test the speed and accuracy yourself.

How does Postproxy simplify social media publishing?

Postproxy replaces the chaos of individual platform integrations with a single API that automates OAuth, content adaptation, and error handling. This makes publishing efficient and reliable.

Is there a free plan available for Postproxy?

Yes, Postproxy offers a free plan that allows users to get started without any upfront costs. This enables teams to explore the platform and scale their usage as needed.

What types of content can be published using Postproxy?

Postproxy supports a variety of content types, including text, images, and videos, and it automatically adapts them according to the specifications of each social media platform.

How does Postproxy handle operational failures?

The API is designed to manage failures gracefully, implementing automatic retries and handling rate limits. This ensures that issues are dealt with proactively, minimizing disruptions in your publishing workflow.

BlitzAPI is a powerful B2B data API platform designed for go-to-market teams. It delivers clean, verified contact and company data to fuel prospecting, email validation, and outbound workflows with a focus on quality and deliverability. Users often explore alternatives for various reasons. These can include budget constraints, the need for different feature sets, specific integration requirements, or simply evaluating the competitive landscape to ensure they have the best tool for their unique operational scale and strategy. When choosing an alternative, prioritize accuracy and data freshness. Look for platforms that emphasize verified, deliverable data over sheer volume. Ensure the solution integrates smoothly with your existing tech stack and scales with your team's growth, all while maintaining transparent and flexible pricing.

Postproxy is a powerful tool that allows users to publish content seamlessly across multiple social networks using a single API. It falls under the category of design tools, specifically tailored for developers and automators who seek efficiency in social media management. Users often search for alternatives due to various reasons, including pricing structures, specific feature sets, or unique platform requirements that Postproxy may not fully meet. When choosing an alternative to Postproxy, it's essential to consider factors such as ease of integration, scalability, and the range of supported platforms. Look for solutions that provide automation capabilities, robust analytics, and a user-friendly interface to ensure a smooth transition and maintain effective social media publishing workflows.