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Reddit API
Reddit data on demand: cross-subreddit post search, subreddit and user search, subreddit info and feeds, single posts with full comment trees, sitewide best/hot/new/top feeds, and user profiles/posts/comments — one plain HTTP GET per call, paid as you go. No OAuth app registration, no client ID/secret pair, no Reddit API rate-limit tier.
Base URL: https://reddit.fetcher.sh
Authentication
Two ways to pay, same data — full mechanics in the `fetcher` skill:
# 1. Prepaid credits (recommended — get a key at https://fetcher.sh/topup
# or via POST /api/credits/topup, see the fetcher skill)
export FETCHER_API_KEY="bby_live_xxxxxxxxxxxx"
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
"https://reddit.fetcher.sh/api/search/post?keyword=hello"
# 2. x402 pay-per-call — omit the header; a GET with no payment returns 402
# with machine-readable payment requirements (USDC on Base, Polygon,
# Arbitrum, Monad, or Solana). @x402/fetch signs and retries automatically.Every response is { "status": number, "message": string, "data": ... }; the HTTP status mirrors status.
Endpoints (15 — all GET, $0.002/call)
| Endpoint | What it returns |
|---|---|
/api/search/post | Posts across every subreddit matching a keyword |
/api/search/subreddit | Subreddits matching a keyword |
/api/search/user | Users matching a keyword |
/api/subreddit/{name} | A subreddit's info |
/api/subreddit/{name}/posts | A subreddit's post feed |
/api/post/{id} | A single post |
/api/post/{id}/comments | A post's comment tree |
/api/post/{id}/comments/{commentId}/replies | Replies to a comment |
/api/posts/hot | Sitewide hot feed |
/api/posts/new | Sitewide new feed |
/api/posts/top | Sitewide top feed |
/api/posts/best | Sitewide best feed |
/api/user/{username} | A user's profile |
/api/user/{username}/posts | A user's posts |
/api/user/{username}/comments | A user's comments |
{id} / {name} / {username} are path parameters. Optional sort / cursor reorder and paginate; keyword (search) is required where it appears.
Scenarios
Top posts about a topic, across every subreddit:
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
--data-urlencode "keyword=ai agents" -G \
--data-urlencode "sort=top" \
"https://reddit.fetcher.sh/api/search/post"Most discussed (highest comment count):
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
--data-urlencode "keyword=stablecoin payments" -G \
--data-urlencode "sort=comments" \
"https://reddit.fetcher.sh/api/search/post"Newest first:
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
--data-urlencode "keyword=x402" -G \
--data-urlencode "sort=new" \
"https://reddit.fetcher.sh/api/search/post"Other sort values for /api/search/post: relevance, hot.
Search subreddits or users by keyword:
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
--data-urlencode "keyword=machine learning" -G \
"https://reddit.fetcher.sh/api/search/subreddit"
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
--data-urlencode "keyword=spez" -G \
"https://reddit.fetcher.sh/api/search/user"A subreddit's info, then its hot/new/top feed:
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
"https://reddit.fetcher.sh/api/subreddit/MachineLearning"
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
--data-urlencode "sort=top" -G \
"https://reddit.fetcher.sh/api/subreddit/MachineLearning/posts"A single post, its comment tree, and replies to one comment:
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
"https://reddit.fetcher.sh/api/post/1abcde2"
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
--data-urlencode "sort=top" -G \
"https://reddit.fetcher.sh/api/post/1abcde2/comments"
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
"https://reddit.fetcher.sh/api/post/1abcde2/comments/fghij3k/replies"Sitewide feeds:
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
"https://reddit.fetcher.sh/api/posts/hot"
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
"https://reddit.fetcher.sh/api/posts/best"A user's profile, posts, and comments:
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
"https://reddit.fetcher.sh/api/user/spez"
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
--data-urlencode "sort=new" -G \
"https://reddit.fetcher.sh/api/user/spez/posts"
curl -H "Authorization: Bearer $FETCHER_API_KEY" \
--data-urlencode "sort=top" -G \
"https://reddit.fetcher.sh/api/user/spez/comments"MCP
{
"mcpServers": {
"reddit": {
"url": "https://reddit.fetcher.sh/mcp",
"headers": { "Authorization": "Bearer bby_live_..." }
}
}
}Free: search_endpoints, describe_endpoint, check_balance. Paid: fetch_data (any endpoint above), topup_credits, plus the named shortcut reddit_search_post. Drop the headers block to pay per call with x402 instead — see the `fetcher` skill for the full flow.
Errors
400— missing/invalid parameter (message names it)401— unknown or rotated key402— payment required (x402 challenge) ortopup_required(credits
exhausted)
404— not a priced path- No rate limits; no refunds on upstream failures (settlement precedes
delivery)
Reference
- Full agent setup: <https://reddit.fetcher.sh/skill.md>
- OpenAPI 3.1 contract: <https://reddit.fetcher.sh/openapi.json>
- Condensed catalog: <https://reddit.fetcher.sh/llms.txt>
- Payment, credits, and MCP deep dive: `fetcher` skill
- Site: <https://reddit.fetcher.sh>
