Exa neural search API — contents. POST { query } for search or { urls } for contents. https://docs.exa.ai $0.017 USDC per request. Agent search: exa fetch, webpage contents, markdown extract, url reader.

Exa neural search API — search. POST { query } for search or { urls } for contents. https://docs.exa.ai $0.013 USDC per request. Agent search: exa, neural search, semantic search, web search, people, company.

Tavily web search — POST { query, max_results?: 5 } on search.gedx402.com; ranked results via Tavily API. $0.042 USDC per request. AM-winning shape at /v1/search. Agent search: tavily, web search, serp, search lite, semantic search.

Semantic search over your namespace — POST query text; returns top_k semantic memory matches with scores and metadata. Identical namespace+query within 300s may hit X-GED-Cache.

Exa Answer parity — one x402 POST searches the open web, batch-scrapes top sources, and returns a cited answer via chat/fast. $0.630 USDC per request. Agent search: answer, exa answer, research, open-web, cited answer.

Tavily search-lite — one x402 POST proxies Tavily Search API. $0.042 USDC per request. Entry SKU. Agent search: search lite, serp, tavily, web search, semantic search.

Open-web search — one x402 POST discovers SERP candidates, ranks with BGE embeddings, optional page snippets. $0.370 USDC per request. Pseudo-Exa via headless browser + semantic rank. Agent search: web search, exa, firecrawl, serp, semantic search.

Batch upsert up to 64 documents into a namespace. One paid request for agent memory ingest.

Tavily API proxy — extract. JSON body matches https://docs.tavily.com/documentation/api-reference/introduction. Poll GET routes (research status, usage) are free; POST routes are x402. $0.102 USDC per request.

Tavily API proxy — search. JSON body matches https://docs.tavily.com/documentation/api-reference/introduction. Poll GET routes (research status, usage) are free; POST routes are x402. $0.042 USDC per request.