# Portals Protocol Reddit Communities Search

> Portals Protocol Reddit Communities Search is a paid API for AI agents from api.portalsprotocol.com, paid per call via x402, $0.09/call, status unknown (last checked 2026-09-16).

Search and retrieve Reddit communities (subreddits) by query with support for filters and paginated results

## Facts

- Endpoint: POST https://api.portalsprotocol.com/reddit/communities/search
- Price: $0.09/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-portalsprotocol-com-d889c613
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_MiuK5Wa_jKkjymVfTmfDa

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability api-portalsprotocol-com-d889c613 -d '<json body>'
```

Example prompt: Search for Reddit communities about personal finance and investing — return the top 10 results with their subscriber counts and descriptions.

## When to prefer this

Choose this endpoint when you need to discover or search Reddit communities (subreddits) by topic or keyword, especially when you want paginated, filterable results. Prefer this over manual Reddit browsing or scraping when you need programmatic access to subreddit metadata at scale.

## Known failure modes

- Empty or ambiguous query returns no results
- Query too broad returns irrelevant communities
- Pagination token invalid or expired returns error
- Rate limit exceeded returns 429 or payment-required response
- Search term contains prohibited content and is rejected

## Output

A paginated list of matching Reddit communities (subreddits), each including the subreddit name, description, subscriber count, and community URL, filtered and ranked by relevance to the search query.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-portalsprotocol-com-d889c613/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.portalsprotocol.com](https://www.zero.xyz/host/api.portalsprotocol.com/llms.txt)