Web search in Dify

The setting, plugin by plugin

Open Tools in Dify, choose the plugin, and fill its credentials. Each value below was checked against the plugin's own source.

SearXNG plugin
  SearXNG base URL     https://api.specstream.ai/searxng/<key>/search

Firecrawl plugin
  Firecrawl server's Base URL   https://api.specstream.ai/firecrawl
  Firecrawl API Key             <key>

Bing plugin
  Bing endpoint            https://api.specstream.ai/v7.0/search
  Bing subscription key    <key>

Brave plugin
  Brave server's Base URL   https://api.specstream.ai/res/v1/web/search
  Brave Search API key      <key>

The SearXNG plugin sends no key header and uses the field as the full search address, so the key goes in the path and the address ends in /search. The Bing plugin adds its own ?q= to the endpoint, so the value has no ?. Firecrawl's scrape and search calls go to /firecrawl/v2/scrape and /firecrawl/v2/search on our address.

Check the address before you save it

This is the call Dify's SearXNG plugin makes. Run it once with your key and you see the reply your workflow will read.

curl "https://api.specstream.ai/searxng/$SPECSTREAM_KEY/search?q=open+source+vector+databases&format=json"

The reply is SearXNG's JSON: results[] with title, url and content, plus query and number_of_results. A wrong key gets a 401.

Your Bing plugin works again

Dify's Bing plugin still defaults to https://api.bing.microsoft.com/v7.0/search. Microsoft retired the Bing Search APIs on August 11, 2025. Put https://api.specstream.ai/v7.0/search in Bing endpoint and your SpecStream key in Bing subscription key, and the plugin reads webPages.value as it was built to.

$5 per 1,000 searches, with nothing to subscribe to

A SearXNG, Firecrawl or Bing call of up to 10 results is one search at $0.005. Dify's Brave plugin sends no count, so a Brave call returns 10 results at $0.005 too. A Firecrawl scrape is one Extract API page at $0.0008. A call stopped by a 429 charges nothing, and credit you buy never expires.

The most accurate web search API in the world

On SimpleQA Verified the SpecStream Search API scores 97.9 F-score on all 1,000 official questions, 978 of them correct. On WideSearch it scores 64.0 item F1 and 43.4 row F1 on all 200 official tasks. The Extract API scores 0.908 F1 on WCXB. Every score and its method is on the benchmarks page.

About one second a search, measured under load

The SearXNG and Bing calls above run on the fast search. On November 9, 2026 production took 1, 5, 10 and 20 searches a second through it and answered 718 of 720. The median was 0.82 s at 1 search a second and 1.07 s at 20 a second, and the 95th percentile stayed between 1.09 and 1.73 s. One account takes up to 8,800 searches a minute; a call over that gets a 429 with Retry-After and is not charged.

You decide what is kept, on each key

Create a key with zero_retention and a search made with it keeps no request text and no answer after the reply: not in the history, not in a log line. spend_cap_cents is the most the key can spend, so a looping agent stops at the cap you set.

curl -X POST https://api.specstream.ai/v1/account/keys \
  -H "Authorization: Bearer $SPECSTREAM_API_KEY" -H "Content-Type: application/json" \
  -d '{"name": "production", "scopes": ["account:read", "finds:spend"], "spend_cap_cents": 500000, "zero_retention": true}'

Search, pages and rows on one key

The same key reads up to 20 pages or documents a call with the Extract API at $0.80 per 1,000 pages, and runs Deep Search: a request in plain words returns every match on the live web as rows, at 5¢, 15¢ or $1 a row, with the most a run can cost quoted before it starts. SpecStream's own Dify plugin is on the Dify Marketplace.

Tavily

A search API billed in credits: $0.008 a credit on pay as you go, 1 credit for a basic search and 2 for an advanced one, with 1,000 free credits a month. Dify's Tavily plugin has no address field. Through Dify's SearXNG plugin on our address, a search is $0.005, with no credits to count.

Brave Search API

A search API on Brave's own index at $5 per 1,000 requests, with $5 in free credits every month and up to 50 queries per second. Point Brave server's Base URL at SpecStream and the same plugin searches the whole live web, with $10 of credit to start.

Serper

Google results as JSON, sold in credit packs from $50 for 50,000, and the credits are valid for 6 months. Dify's Serper plugin fixes its address at https://google.serper.dev/search. SpecStream credit never expires, and the SearXNG plugin on our address searches at $5 per 1,000.

Firecrawl

Search and scrape billed in credits: 2 credits per 10 search results, 1 credit a page on a basic scrape, and Hobby at $19 a month. With our address in Firecrawl server's Base URL, a search is $0.005 and a page is $0.0008, with no plan to buy.

SearXNG on your own server

Dify's plugin describes SearXNG as a free internet metasearch engine, which you run and keep up yourself. SpecStream answers in SearXNG's JSON at the same field, with no server to run, and scores 97.9 F-score on SimpleQA Verified.