# SocialToAI, free: Zhihu profile API

> Get any public Zhihu account by handle and get back name, bio and followers, as JSON over HTTP or from your AI client over MCP.

SocialToAI's Free plan for the Zhihu profile API costs $0.00 per 1,000 profiles. SocialToAI's docs list 2 of the 4 fields on our checklist: Bio, Followers.
We haven't run a Zhihu profile API benchmark yet.
This plan is free. We rank 36 plans for Zhihu profile APIs by price. Half the plans cost $5.833 per 1,000 profiles or less.
[EveryInfra's $500 pack](https://datacircle.dev/zhihu-profile-apis/everyinfra/500-pack-monthly-top-up-discount-10-off-from-500/llms.txt) costs the least per 1,000 profiles: $0.50.

- This page: https://datacircle.dev/zhihu-profile-apis/socialtoai/free
- Get it: https://socialtoai.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=zhihu-profile-api-pricing
- Request: `POST https://api.socialtoai.com/v1/user_profile`
- API key: with the plan, on https://socialtoai.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=zhihu-profile-api-pricing
- Its API docs: https://socialtoai.com/zhihu-user-profile-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=zhihu-profile-api-pricing
- Sold by: SocialToAI (https://socialtoai.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=zhihu-profile-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 50%
- Bio: ✓
- Followers: ✓

## Price

- $ per 1,000 profiles: $0.00
- Per: call
- Billing: free

## Charges

- Repeat free: 5 minutes
- Also pays for: from the same budget: 215 other calls

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Get any public Zhihu account by handle and get back name, bio and followers, as JSON over HTTP or from your AI client over MCP.

## Data

- Freshness: live
- Keep data: no limit
- Use data: Use the service lawfully and within the published rate limits. Do not try to identify the people behind anonymised comments, do not resell or share keys, and do not use the service to harass anyone. You are responsible for complying with the laws that apply to your use of the data.

## Plan

- Pay: $0
- You get: 100 credits
- Enough for: 50 calls, once
- Expires: never

## Rate limit

- Per second: 5
- Concurrent: 5

## The call

- You send: platform "zhihu", username
- Method: POST
- Path: /v1/user_profile

## About the plan

- Plan: Free
- Who can get it: anyone who signs in with a Google account or an email code

## The 15 fields the plan's answer can hold

user ID, username, name, profile URL, bio, followers, request ID, fetched at, result status, warnings, unavailable fields, approximate numbers, replayed, credits used, credits remaining

## SocialToAI's plans (4)

- [SocialToAI, free](https://datacircle.dev/zhihu-profile-apis/socialtoai/free/llms.txt): $0.00 per 1,000, 50% complete, live
- [SocialToAI, $10 pack](https://datacircle.dev/zhihu-profile-apis/socialtoai/10-pack/llms.txt): $6.667 per 1,000, 50% complete, live
- [SocialToAI, $50 pack](https://datacircle.dev/zhihu-profile-apis/socialtoai/50-pack/llms.txt): $5.00 per 1,000, 50% complete, live
- [SocialToAI, $200 pack](https://datacircle.dev/zhihu-profile-apis/socialtoai/200-pack/llms.txt): $4.00 per 1,000, 50% complete, live

## SocialToAI's calls for this API (1)

- `POST /v1/user_profile`: [SocialToAI, free](https://datacircle.dev/zhihu-profile-apis/socialtoai/free/llms.txt)

## SocialToAI's APIs (44)

- [SocialToAI: Bilibili profile API pricing, 4 plans](https://datacircle.dev/bilibili-profile-apis/socialtoai/free/llms.txt)
- [SocialToAI: Bilibili user video API pricing, 4 plans](https://datacircle.dev/bilibili-user-video-apis/socialtoai/free/llms.txt)
- [SocialToAI: Bilibili video API pricing, 4 plans](https://datacircle.dev/bilibili-video-apis/socialtoai/free/llms.txt)
- [SocialToAI: Douyin profile API pricing, 4 plans](https://datacircle.dev/douyin-profile-apis/socialtoai/free/llms.txt)
- [SocialToAI: Douyin user video API pricing, 4 plans](https://datacircle.dev/douyin-user-video-apis/socialtoai/free/llms.txt)
- [SocialToAI: Douyin video API pricing, 4 plans](https://datacircle.dev/douyin-video-apis/socialtoai/free/llms.txt)
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- [SocialToAI: Facebook post API pricing, 4 plans](https://datacircle.dev/facebook-post-apis/socialtoai/free/llms.txt)
- [SocialToAI: Google Ads Transparency API pricing, 4 plans](https://datacircle.dev/google-ad-apis/socialtoai/free/llms.txt)
- [SocialToAI: Instagram post API pricing, 4 plans](https://datacircle.dev/instagram-post-apis/socialtoai/free/llms.txt)
- [SocialToAI: Instagram profile API pricing, 4 plans](https://datacircle.dev/instagram-profile-apis/socialtoai/free/llms.txt)
- [SocialToAI: Kuaishou profile API pricing, 4 plans](https://datacircle.dev/kuaishou-profile-apis/socialtoai/free/llms.txt)
- [SocialToAI: Kuaishou user video API pricing, 4 plans](https://datacircle.dev/kuaishou-user-video-apis/socialtoai/free/llms.txt)
- [SocialToAI: Kuaishou video API pricing, 4 plans](https://datacircle.dev/kuaishou-video-apis/socialtoai/free/llms.txt)
- [SocialToAI: LinkedIn company post API pricing, 4 plans](https://datacircle.dev/linkedin-company-post-apis/socialtoai/free/llms.txt)
- [SocialToAI: LinkedIn company data API pricing, 4 plans](https://datacircle.dev/linkedin-company-profile-apis/socialtoai/free/llms.txt)
- [SocialToAI: LinkedIn post details API pricing, 4 plans](https://datacircle.dev/linkedin-post-details-apis/socialtoai/free/llms.txt)
- [SocialToAI: LinkedIn post search API pricing, 4 plans](https://datacircle.dev/linkedin-post-search-apis/socialtoai/free/llms.txt)
- [SocialToAI: Pinterest pin API pricing, 4 plans](https://datacircle.dev/pinterest-pin-apis/socialtoai/free/llms.txt)
- [SocialToAI: Pinterest search API pricing, 4 plans](https://datacircle.dev/pinterest-search-apis/socialtoai/free/llms.txt)
- [SocialToAI: Reddit post API pricing, 4 plans](https://datacircle.dev/reddit-post-apis/socialtoai/free/llms.txt)
- [SocialToAI: Reddit profile API pricing, 4 plans](https://datacircle.dev/reddit-profile-apis/socialtoai/free/llms.txt)
- [SocialToAI: Telegram channel API pricing, 4 plans](https://datacircle.dev/telegram-channel-apis/socialtoai/free/llms.txt)
- [SocialToAI: Telegram channel post API pricing, 4 plans](https://datacircle.dev/telegram-channel-post-apis/socialtoai/free/llms.txt)
- [SocialToAI: Threads post API pricing, 4 plans](https://datacircle.dev/threads-post-apis/socialtoai/free/llms.txt)
- [SocialToAI: Threads profile API pricing, 4 plans](https://datacircle.dev/threads-profile-apis/socialtoai/free/llms.txt)
- [SocialToAI: TikTok profile API pricing, 4 plans](https://datacircle.dev/tiktok-profile-apis/socialtoai/free/llms.txt)
- [SocialToAI: TikTok video API pricing, 4 plans](https://datacircle.dev/tiktok-video-apis/socialtoai/free/llms.txt)
- [SocialToAI: TikTok Shop product API pricing, 4 plans](https://datacircle.dev/tiktok-shop-product-apis/socialtoai/free/llms.txt)
- [SocialToAI: TikTok Shop search API pricing, 4 plans](https://datacircle.dev/tiktok-shop-search-apis/socialtoai/free/llms.txt)
- [SocialToAI: Weibo post API pricing, 4 plans](https://datacircle.dev/weibo-post-apis/socialtoai/free/llms.txt)
- [SocialToAI: Weibo profile API pricing, 4 plans](https://datacircle.dev/weibo-profile-apis/socialtoai/free/llms.txt)
- [SocialToAI: Weibo user post API pricing, 4 plans](https://datacircle.dev/weibo-user-post-apis/socialtoai/free/llms.txt)
- [SocialToAI: X post API pricing, 4 plans](https://datacircle.dev/x-post-apis/socialtoai/free/llms.txt)
- [SocialToAI: X profile API pricing, 4 plans](https://datacircle.dev/x-profile-apis/socialtoai/free/llms.txt)
- [SocialToAI: Xiaohongshu note API pricing, 4 plans](https://datacircle.dev/xiaohongshu-note-apis/socialtoai/free/llms.txt)
- [SocialToAI: Xiaohongshu profile API pricing, 4 plans](https://datacircle.dev/xiaohongshu-profile-apis/socialtoai/free/llms.txt)
- [SocialToAI: Xiaohongshu user note API pricing, 4 plans](https://datacircle.dev/xiaohongshu-user-note-apis/socialtoai/free/llms.txt)
- [SocialToAI: video search API pricing, 4 plans](https://datacircle.dev/video-search-apis/socialtoai/free/llms.txt)
- [SocialToAI: YouTube channel API pricing, 4 plans](https://datacircle.dev/youtube-channel-apis/socialtoai/free/llms.txt)
- [SocialToAI: YouTube channel video API pricing, 4 plans](https://datacircle.dev/youtube-channel-video-apis/socialtoai/free/llms.txt)
- [SocialToAI: Zhihu profile API pricing, 4 plans](https://datacircle.dev/zhihu-profile-apis/socialtoai/free/llms.txt)
- [SocialToAI: Zhihu question answer API pricing, 4 plans](https://datacircle.dev/zhihu-question-answer-apis/socialtoai/free/llms.txt)

## SocialToAI: Zhihu profile API alternatives

- [Qovia, top-up](https://datacircle.dev/zhihu-profile-apis/qovia/top-up/llms.txt): $1.00 per 1,000, 100% complete, live
- [DataXAPI, $50 pack](https://datacircle.dev/zhihu-profile-apis/dataxapi/50-pack/llms.txt): $2.00 per 1,000, 100% complete, live
- [RedFox, top-up from CNY 100](https://datacircle.dev/zhihu-profile-apis/redfox/top-up-from-cny-100/llms.txt): $8.974 per 1,000, 75% complete, live
- [SpiderHubs, $29 pack](https://datacircle.dev/zhihu-profile-apis/spiderhubs/29-pack/llms.txt): $64.444 per 1,000, 75% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-07.

- https://socialtoai.com/docs/credits-and-billing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=zhihu-profile-api-pricing
- https://socialtoai.com/docs/data-and-usage?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=zhihu-profile-api-pricing
- https://socialtoai.com/linkedin-user-profile-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=zhihu-profile-api-pricing
- https://socialtoai.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=zhihu-profile-api-pricing
- https://socialtoai.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=zhihu-profile-api-pricing
- https://socialtoai.com/zhihu-user-profile-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=zhihu-profile-api-pricing