# Social media data for AI: platforms, fields and free tools

Everything SocialToAI can read, laid out to check before you build: 18 platforms plus 2 ad libraries, 191 calls from 1 credit each, what each platform's own API offers, and free tools that run in your browser.

- Page: https://socialtoai.com/data/
- Last updated: 2026-10-29

## In numbers

| What | How many |
| --- | --- |
| Social platforms | 18 |
| Ad libraries | 2 |
| Actions, the same on every platform | 6 |
| Platform-specific interfaces | 74 |
| Calls in all, each with its own price | 191 |
| Ready-made tools | 7 |
| Lowest price of a call | 1 credit (≈ $0.002–$0.0033) |

As of 2026-10-17, price version `pv_e5a1c68e5861`. [The live catalog](https://api.socialtoai.com/v1/capabilities) says what is offered now, without a key.

## What is here

- [What data each social platform exposes](https://socialtoai.com/data/platform-fields.md): Every platform × action and field, and each platform's official API with sources
- [Official social media API prices and limits (18 platforms)](https://socialtoai.com/data/official-social-api-pricing.md): Every platform's official API, its cost and limits, with sources
- [Reddit API changes: the dates and what they break](https://socialtoai.com/data/reddit-api-changes.md): Reddit's Data API changes by date, what each breaks, with sources
- [Social media link inspector](https://socialtoai.com/free-tools/link-inspector.md): Paste a link: the platform, what it points at, the calls that read it
- [Social media API cost estimator](https://socialtoai.com/free-tools/api-cost-estimator.md): Credits and dollars for a number of calls, by pack
- [X API cost calculator](https://socialtoai.com/free-tools/x-api-cost-calculator.md): X's official pay-per-use prices, sourced, beside the same reads per call
- [Engagement rate calculator](https://socialtoai.com/free-tools/engagement-rate-calculator.md): Engagement rate by views or followers, and what each platform counts
- [How to read Reddit after its free API access ends](https://socialtoai.com/how-to/read-reddit-after-free-api-access-ends.md): What Reddit announced, with sources, and reading Reddit without its API
- [How to let AI read X when the official API is too expensive](https://socialtoai.com/how-to/read-x-when-the-official-api-is-too-expensive.md): X's official prices, with sources, and reading X per call instead
- [How to track brand mentions on Reddit after RSS ends](https://socialtoai.com/how-to/track-brand-mentions-on-reddit.md): Keep Reddit keyword and brand alerts after RSS ends, with a daily watch
- [How to let ChatGPT read Xiaohongshu (RedNote)](https://socialtoai.com/how-to/let-chatgpt-read-xiaohongshu.md): Connect ChatGPT to Xiaohongshu notes and comments
- [How to let Claude read Douyin comments](https://socialtoai.com/how-to/let-claude-read-douyin-comments.md): Connect Claude to the comments under Douyin videos
- [How to let AI read WeChat Official Account articles](https://socialtoai.com/how-to/let-ai-read-wechat-articles.md): Let your AI read WeChat Official Account articles
- [SocialToAI press kit](https://socialtoai.com/press.md): One-line description, key facts, logo files, contact