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How we keep third-party pricing data from going stale in a small side project

We run a small directory of dev tools as a side project, and the part that takes the most ongoing work isn't building pages, it's keeping prices true. Plans get renamed, limits change, a "free tier" quietly becomes a trial. A few things that have helped us: Every price has a source URL and a "verified on" date stored next to it. Not "pricing from the website", but the exact official page. If we can't point to an official page, the price doesn't go in. Show the verified date publicly.

五维评分

付费意愿
45
需求真实度
50
个人可落地
85
竞争空间
45
新鲜度
55

AI 分析

痛点:目录站或比价站维护第三方 SaaS 定价数据时极易过期,官方改名、限额调整、“免费层”悄悄变试用,人工核对成本极高且难以展示可信度。

目标用户:运营比价/目录/评测站的独立开发者、SaaS 竞品情报与采购研究团队、需要引用第三方定价的内容站

证据:the part that takes the most ongoing work isn't building pages, it's keeping prices true. Plans get renamed, limits change, a "free tier" quietly becomes a trial. / Use an AI agent for the boring part, not the final word.

变现:订阅制 SaaS:按监控的定价页数量分级收费(如 20 页 $19/月、100 页 $79/月),叠加定价数据 API 或可嵌入的“verified on”徽章组件;也可做 affiliate/联盟营销返佣。

MVP:输入定价页 URL → 定时抓取并结构化抽取(价格、计费周期、区域、免费层类型)→ AI 生成变更 diff 摘要 → 人工一键确认后更新“verified on”日期 → 输出 JSON API 和可嵌入的定价卡片组件;2 周可做出抓取+diff+确认+API 的闭环。

竞品:Visualping、Distill.io、Prisync、Competera、Vendr、G2/Capterra 定价库

摘要:一个 dev tools 目录站侧项目作者分享经验:维护第三方定价数据最耗人力,常见问题是套餐改名、限额调整、免费层悄悄变试用。他们的做法是每条价格绑定官方来源 URL 和“verified on”日期、公开校验日期、细分免费类型与计费口径、按排期轮换复查,并让 AI 只负责抓取和起草 diff、人工做最终确认。帖中未出现付费意愿或收入数字,但揭示了可产品化的持续核对与变更监控需求。