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Products that do what Built SecureFlow API rate limiting . does

API

  1. 1
    Rately175

    Take control of your API traffic with custom rate limits.

    Oct 2025

  2. 2
    SaveMRR104

    See how much you're losing to failed payments on Stripe

    Apr 2026 · savemrr.co

  3. 3

    OAuth 2.1 + usage-based Stripe billing for MCP servers

    Jul 2026 · mcp-billing.com

  4. 4AD

    tl;dr we at Escape (YC W23), we scanned 5651+ public APIs on the internet with our in house feedback driven API exploration tech, and ranked them using security, performance, reliability, and design criteria. The results are public on https://apirank.dev. You can request that we index your own API to the list for free and see how it compares to others. Why we did that? During a YC meetup I spoke with a fellow founder that told me how hard it was to pick the right external APIs to use within your own projects. I realized that most of what we build relies on public APIs from external…

    2023 · apirank.dev

  5. 5NB
  6. 6
    P402.io102

    Route, verify, and settle paid API calls with clear traces

    Jan 2026

  7. 7DR

    Hi HN! I built a distributed rate limiter using the token bucket algorithm with Redis backing. Key highlights: • 50,000+ requests&#x2F;second throughput with <2ms P95 latency • Redis-backed distributed state for multi-instance deployments • 18 REST API endpoints for rate limiting, config, and monitoring • 265+ tests including load tests and integration tests • Docker&#x2F;Kubernetes ready with comprehensive documentation Built with Java 21 + Spring Boot. Perfect for protecting APIs, microservices, or SaaS platforms from abuse. The pain point I solved: existing solutions were either too…

    Sep 2025 · github.com

  8. 8

    Webflow development for a low monthly fee

    2021

  9. 9
    x402119

    An open protocol for internet-native payments from Coinbase

    2025

  10. 10

    Access 1 billion tokens per month for free

    Apr 2026 · github.com

  11. 11PR
  12. 12UA

    I’m launching UsageFlow, a simple tool for API owners who want automatic API usage metering and full control over their endpoints — all without any hassle. With just a few lines of code, the UsageFlow SDK gives you: Automatic discovery of API endpoints User identification Usage metering Rate-limits and automatic blocking Reporting usage events to your existing billing or metering system Supports: Go (Gin), Python (FastAPI, Flask), Node.js (Express, Fastify, NestJS) Perfect for AI APIs or SaaS platforms that want to scale fast — focus on building your product while UsageFlow handles usage…

    Nov 2025

  13. 13AU

    Hi HN, I was once given the advice: Don't waste expensive frontier model credits (GPT&#x2F;Claude&#x2F;etc.) on bulk work. Send the boring, repetitive, high-volume jobs to a smaller model, and save the expensive prompts for when you actually need frontier-level reasoning. I complained and told my manager that I shouldnt have to think about using certain models for certain coding tasks, and that one model should handle everything. Well, here we are anyway. If anyone needs a place to absolutely abuse an LLM with high-volume tasks, come beat ours up at https:&#x2F;&#x2F;yolo-auto.com. Here are…

    Jul 2026 · yolo-auto.com

  14. 14RR

    reliableGPT handles GPT-4 429 rate limit errors it optimally allocate jobs for incoming requests to maximize usage of Requests&#x2F;min and Token&#x2F;min limits

    2023 · colab.research.google.com

  15. 15

    Every open-source model. One flat rate.

    Feb 2026

  16. 16XA

    Hi HN – excited to announce x402, initially developed by Coinbase (YC 12) x402 lets any HTTP API charge per request without issuing API keys or storing credit cards. Buyers (humans or AI agents) keep funds in their own wallet and dynamically discover compatible endpoints, call them as usual, and automatically pay a microtransaction in USDC or other tokens to settle. 90 second demo: https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=PV-L2AfLhJg Problem: Every time we want to use a new API we have to: find the service online create a developer account, copy a secret key into env vars, pre-fund or…

    2025 · x402.org

  17. 17

    Denial-of-service protection for post-quantum endpoints

    Jul 2026 · secz6.oooooooooo.se

  18. 18

    The $0.03/10k request Google SERP API alternative.

    May 2026 · apiserpent.com

  19. 19AC

    Hi HN! We love the "backend-less" stack: Stripe for payments, Supabase for data, Clerk for auth. But the moment we add AI features, we're forced to spin up a backend to hide API keys, implement per-user token-based rate limits and graceful degradation, etc. So we built Airbolt. What it does: Drop in our SDK and start making OpenAI calls directly from your frontend. Your keys are AES-256-GCM encrypted on our servers, never exposed to the client. We provide token-based per-user rate limits and origin allow lists to address inference abuse. Short-lived JWTs and bring-your-own-auth are coming…

    Sep 2025 · airbolt.ai

  20. 20
    AKM2

    Rate-limit aware smart API key scheduling

    Apr 2026 · amon20044.github.io

  21. 21IM

    It's at http://finkin.com. The goal is to allow a developer to sign up in seconds, and within minutes begin querying data. It runs under https and stores no access information. From http://news.ycombinator.com/item?id=1431583, I realized that all those types of sites are not tailored to developers like the other simple APIs around the web are (i.e. flickr). I made mine as simple as I thought possible. From http://news.ycombinator.com/item?id=1676458, I realized that eventually it should be a scalable model where you pay pennies per the # of requests you make. Right now it supports many…

    2010

  22. 22

    Production-ready API for doctor-patient-interpreter calls

    Feb 2026

  23. 23

    Cut your LLM Token Costs by 65%

    Jul 2026 · supercompress.dev

  24. 24AS

    Hey Hacker News! No one likes to code pricing; it sucks. It shouldn't take up my time, yet it always does - too much of it. And pricing always needs to change, eating up valuable dev hours. I created a simple pricing engine so that I could write all of my pricing rules & resource limits in a single YAML doc, then enforce them everywhere with a single policy check. It's simple, intuitive, versionable, auditable, and easy to reason about or change quickly without bogging my development down. My CTO friends liked the idea and wanted to use it, so I created this open-source library for everyone…

    Feb 2026 · github.com

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