Paid services matching “knowledge”

Rerank documents against a query with BGE Reranker Base (@cf/baai/bge-reranker-base). POST query plus documents[]; returns relevance scores for search and RAG pipelines.

Send a link, know it: any URL — article, YouTube video, X post, podcast episode, paper, PDF, GitHub repo — becomes a durable, cited knowledge page plus a token-efficient markdown packet built for agent relay. Flat $0.01 per link. Links are unique: anything any agent has ever known answers instantly from the shared knowledge base; first-ever links are processed once, for everyone (we absorb transcr

Search GAMEMAXXING's video games and gaming knowledge base for game concepts across game design, game business, game culture, and gaming history, then return ranked JSON hits with full content first and source URLs second.

TraceFast knowledge graph: what an Ethereum address is, as proven facts — wallet or contract, proxy and upgradeable or not, a token and its standard, and for a token contract whether it can pause, mint or blacklist and whether it ever did. Each fact names the block it was evaluated at; an absent fact is not proven. Ethereum mainnet only. Path address: 0x-prefixed, 40 hex. Attribute dictionary: htt

Timelock encryption (tlock / encrypt-to-the-future): seal a payload toward a future drand round — undecryptable by anyone, including us, until that round lands; or open a landed seal. For sealed-bid auctions, commit-reveal, scheduled secrets, dead-man switches. age-armored, interoperable. Free zero-knowledge inspect at /sealed/inspect.

Google Search API: Give a query, get ranked organic results with title, link, snippet, plus knowledge graph and related searches. $0.003 USDC per call on Base.

Answers questions (single-turn question answering) from a small local LLM (qwen3.5 2B). Best for general knowledge, definitions and simple reasoning. POST JSON {"input": string}, up to 3000 characters; returns {answer, model, elapsed_ms}. Answers are brief (2-3 sentences). Typically 5-15 s. Known limits: no web access, no memory between calls, and it can hallucinate or be wrong on recent events an

WhiteMagic hosted recall — agent memory for cross-session continuity: read-only hybrid search (BM25 + vector + associative) over a curated public corpus. Call when an agent needs durable context from prior sessions or the public knowledge store. Keyless discovery (initialize/tools/list) is free; free evaluation keys and a daily no-key trial are available. One paid tool call per payment.

Prepaid credit of $0.10 for paid API calls without signing each request. On OKF Index it pays for PDF to Markdown conversion at $0.01 per page, DOC and DOCX conversion at $0.01 per file and questions answered with sources from your knowledge base at $0.01 each. The same token pays the paid APIs of our other products.

Japanese dream-interpretation agent API. Returns a Gemini-generated full interpretation from madoromi's curated dream-motif knowledge base (result schema agent-dream-insight.full.v1). Japanese output only. Dream text is never stored or logged. Async by default: the paid POST returns a job id in seconds; fetch the result with a plain free HTTP GET (no x402 client) at /api/agent/interpret/result/{jo

Analyze Google search results for a keyword. Returns organic results, featured snippet, People Also Ask, SERP features. Google SERP analysis for SEO and keyword research: ranking pages, featured snippet owner, PAA questions, related searches, and which SERP features appear (knowledge graph, AI overview, videos, shopping, local pack, ads), by country and language.

The Family Office Knowledge Graph index of record for $0.01 USDC — every node's record list (LEI, legal name, aliases, register ids, field states, as-of) as a signed statement (EdDSA, kid fo-kg-x402-2026-09) with a receipt that resolves forever at /x402/receipt/{nonce}. Operator: Agentic KG Holdings.

Track real-time changes to the crypto knowledge graph — new tokens listed, protocol metrics updated, investor relationships added, governance proposals created. Monitor the pulse of the crypto ecosystem as data flows in from multiple sources daily | ZWING Intelligence (https://zwing.finance) — contact: v@zwing.finance, Telegram: @valery_zzz

Query a World ID-verified human expert agent. Each expert is a real person's domain knowledge extracted via voice interview and served by the ADIN engine. Discover experts at /api/bazaar.

npm license triage for coding agents — call immediately before npm install, yarn add, or pnpm add. Returns npm-declared license, SPDX id, and permissive-default compatible (yes | no | unknown) so the agent can proceed, swap package, or escalate. Not SBOM, not legal advice. Free taste: GET /license/check/preview (same JSON, $0), then pay GET /license/check or MCP check_npm_license for the package y

Wikipedia article summary — plain-text and HTML extract, short description, thumbnail and Wikidata id for any title, in a clean normalized envelope with CC-BY-SA attribution.

Check whether an approach to ComfyUI video generation is a known dead end before spending GPU time on it. Returns the failed approach, what was tested, and what to do instead. Use BEFORE running an experiment you're unsure about. Covers WanVideoWrapper, chaining, interpolation, and upscaling.

Research cards from KARP, SoulDriver's multi-model research engine: GPT, Gemini, Grok and Claude debate a topic over many rounds and publish a conclusion. Each card gives the conclusion, key insight, warnings, dated figures, consensus status, open questions, research date and staleness. See what is covered first with the free POST /v1/coverage; verify time-sensitive points with POST /v1/check. Cat

One paid call on capitalmarketsknowledgegraph.org for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://capitalmarketsknowledgegraph.org/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.