The latest articles on DEV Community by RileyCraig14 (@rileycraig14). https://dev.to/rileycraig14 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3913011%2Fa8aea3ef-2ec7-424f-a1c3-ba06d3044e17.png https://dev.to/rileycraig14 en RileyCraig14 Fri, 08 May 2026 06:02:25 +0000 https://dev.to/rileycraig14/how-i-built-a-pay-per-call-api-using-x402-on-base-no-subscriptions-4ehc https://dev.to/rileycraig14/how-i-built-a-pay-per-call-api-using-x402-on-base-no-subscriptions-4ehc <h1> Pay-Per-Call APIs Are the Future </h1> <p>Most APIs charge $99/month whether you make 1 call or 10,000. I built NEXUS — pay fractions of a cent per request using USDC on Base via x402.</p> <h2> What is x402? </h2> <p>When you call a NEXUS endpoint without payment, you get HTTP 402 with payment details. Pay the micropayment, retry, get your data. No subscription. No API key.</p> <h2> What NEXUS offers </h2> <ul> <li>Live crypto prices: $0.02/call</li> <li>Reddit sentiment: $0.05/call</li> <li>DeFi TVL: $0.005/call</li> <li>Stock prices: $0.002/call</li> </ul> <h2> Try it </h2> <div class="highlight js-code-highlight"> <pre class="highlight shell"><code>curl <span class="nt">-X</span> POST https://nexus-agent-xa12.onrender.com/data/crypto <span class="se">\</span> <span class="nt">-d</span> <span class="s2">"{</span><span class="se">\"</span><span class="s2">coins</span><span class="se">\"</span><span class="s2">: [</span><span class="se">\"</span><span class="s2">bitcoin</span><span class="se">\"</span><span class="s2">]}"</span> </code></pre> </div> <p>Also available as MCP server:<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight shell"><code>claude mcp add nexus npx @rileycraig/nexus-mcp </code></pre> </div> <p>Free competitor intelligence demo: <strong><a href="https://rileycraig14.github.io/nexus-dashboard/competitor.html" rel="noopener noreferrer">rileycraig14.github.io/nexus-dashboard/competitor.html</a></strong></p> api web3 javascript crypto RileyCraig14 Fri, 08 May 2026 06:02:24 +0000 https://dev.to/rileycraig14/real-time-reddit-sentiment-as-a-competitive-intelligence-signal-4bpc https://dev.to/rileycraig14/real-time-reddit-sentiment-as-a-competitive-intelligence-signal-4bpc <h1> Reddit Is the Most Underrated Competitive Intelligence Source </h1> <p>ICE (NYSE operator) just launched a Reddit sentiment product for institutions at $50,000/year. Why? Because Reddit is where real users say what they actually think.</p> <p>I built the same thing free for founders:</p> <p><strong><a href="https://rileycraig14.github.io/nexus-dashboard/competitor.html" rel="noopener noreferrer">Try it: competitor intel tool</a></strong></p> <p>Enter any product — Notion, Linear, Vercel — get live Reddit sentiment instantly.</p> <h2> Use cases </h2> <ul> <li>Before a feature launch: see what Reddit says about competitors</li> <li>Pricing research: find complaints about competitor pricing</li> <li>Market validation: is there community forming around your problem?</li> <li>Customer win/loss: why do people switch FROM competitors?</li> </ul> <h2> The API </h2> <div class="highlight js-code-highlight"> <pre class="highlight python"><code><span class="n">requests</span><span class="p">.</span><span class="nf">post</span><span class="p">(</span> <span class="sh">"</span><span class="s">https://nexus-agent-xa12.onrender.com/data/reddit</span><span class="sh">"</span><span class="p">,</span> <span class="n">json</span><span class="o">=</span><span class="p">{</span><span class="sh">"</span><span class="s">subreddit</span><span class="sh">"</span><span class="p">:</span> <span class="sh">"</span><span class="s">SaaS</span><span class="sh">"</span><span class="p">,</span> <span class="sh">"</span><span class="s">query</span><span class="sh">"</span><span class="p">:</span> <span class="sh">"</span><span class="s">notion</span><span class="sh">"</span><span class="p">,</span> <span class="sh">"</span><span class="s">limit</span><span class="sh">"</span><span class="p">:</span> <span class="mi">10</span><span class="p">}</span> <span class="p">)</span> </code></pre> </div> <p>$0.05/call. No subscription. Pay per use.</p> <p><strong><a href="https://rileycraig14.github.io/nexus-dashboard/competitor.html" rel="noopener noreferrer">Free tool</a></strong> | <strong><a href="https://nexus-agent-xa12.onrender.com" rel="noopener noreferrer">API docs</a></strong></p> startup saas productivity ai RileyCraig14 Fri, 08 May 2026 06:01:38 +0000 https://dev.to/rileycraig14/i-built-a-free-real-time-reddit-competitor-intelligence-tool-5a7k https://dev.to/rileycraig14/i-built-a-free-real-time-reddit-competitor-intelligence-tool-5a7k <h1> What Reddit Says About Your Competitors </h1> <p>I built a free tool that pulls live Reddit sentiment for any SaaS product.</p> <p><strong><a href="https://rileycraig14.github.io/nexus-dashboard/competitor.html" rel="noopener noreferrer">Try it free</a></strong></p> <p>Enter any product name — Notion, Slack, Figma — get live sentiment and recent discussions. No signup.</p> <p>The underlying API costs $0.05/call if you want to integrate it:<br> </p> <div class="highlight js-code-highlight"> <pre class="highlight shell"><code>curl <span class="nt">-X</span> POST https://nexus-agent-xa12.onrender.com/data/reddit </code></pre> </div> <p>ICE (the NYSE operator) just launched a $50k/year Reddit sentiment product for institutions. This is the same thing, free for founders.</p> <p><strong><a href="https://nexus-agent-xa12.onrender.com" rel="noopener noreferrer">nexus-agent-xa12.onrender.com</a></strong></p> saas startup ai webdev