Information Retrieval services
Payable information retrieval endpoints for agents, ranked by measured reliability.
api.nansen.ai
api.nansen.ai
Screens and filters perpetual futures contracts based on specified criteria.
skim402.com
skim402.com
Skim: clean reader — URL to agent-ready markdown + structured metadata, ~4x smaller than raw HTML.
x402.twit.sh/users/search
x402.twit.sh
Search Twitter/X for user accounts matching a keyword or phrase. Returns up to 20 matching user profiles per page with pagination support. Useful for discovering users by topic, name, or keyword. Query params: query (string, required) - search keyword or phrase; next_token (string, optional) - pagination cursor from previous response, e.g. GET /users/search?query=bitcoin. Returns X v2 API-compatible JSON.
x402.twit.sh/users
x402.twit.sh
Bulk look up multiple Twitter/X user profiles by their numeric user IDs in a single request. Returns an array of full user profiles. Query param: ids (string, required) - comma-separated numeric Twitter user IDs, max 50, e.g. GET /users?ids=44196397,12,783214. Returns X v2 API-compatible JSON.
war-tracker.com
war-tracker.com
Retrieves media content related to tracked events or incidents.
sol.blockrun.ai
sol.blockrun.ai
Executes search queries across Solana blockchain data.
api.babyblueviper.com
api.babyblueviper.com
invinoveritas /signals/full — the live Hyperliquid perps read our own bot enters on, recomputable per coin from the raw metrics we return (funding + 24h delta,
war-tracker.com
war-tracker.com
Returns information about strike events, categorized by type.
x402.api.agentmail.to
x402.api.agentmail.to
Returns a list of email inboxes or mailbox accounts.
email-verify-api-production-d262.up.railway.app
email-verify-api-production-d262.up.railway.app
Verify up to 100 emails in one call; returns a per-email record matching /verify.
email-verify-api-production-d262.up.railway.app
email-verify-api-production-d262.up.railway.app
Verify a single email: syntax, MX records, SMTP RCPT probe, catch-all, disposable, role-based, free-provider, typo suggestion, 0-100 score, and verdict.
postcode-api-production.up.railway.app
postcode-api-production.up.railway.app
Validate a UK postcode and report its normalised form, format validity, and whether it is currently active.
email-verify-api-production-d262.up.railway.app
email-verify-api-production-d262.up.railway.app
Check whether a domain has valid MX records and is not on the disposable list; also reports free-provider.
email-verify-api-production-d262.up.railway.app
email-verify-api-production-d262.up.railway.app
Return raw MX records (preference + exchange host) for a domain, sorted by preference.
fact-checker.api.klymax402.com
fact-checker.api.klymax402.com
Fact-check a claim by searching for evidence online
netintel-production-440c.up.railway.app
netintel-production-440c.up.railway.app
Look up domain registration metadata via RDAP — returns registrar, creation/expiry dates, nameservers, status flags, and an actionability score so agents can assess domain trustworthiness or availability risk.
netintel.dev
netintel.dev
Fetch metadata for any npm package — download counts, latest version, all versions list, dependencies, maintainers, repository URL, license, and a health score based on maintenance signals — so agents can evaluate dependencies, audit package ecosystems, and assess supply chain risk.
netintel.dev
netintel.dev
Query the Internet Archive Wayback Machine to check if a URL has ever been archived, get the closest snapshot to a given date, retrieve the most recent capture, and return archival history stats — so agents can access historical web content, verify past content claims, and recover deleted pages.
x402.shizu.me
x402.shizu.me
Fetch a PDF by URL and extract its text as JSON. Input: url (public http/https pointing to a PDF). Returns {url, pages, word_count, text}. Bounded to the first 50 pages; 3 MB max.
sanctions.lonestaroracle.xyz
sanctions.lonestaroracle.xyz
OFAC SDN sanctions screen for a name / entity / wallet (?name=)
unwrap.use.x402atlas.com
unwrap.use.x402atlas.com
Trace an HTTP redirect chain to its final destination without downloading page bodies. Returns every hop (URL + status), the final URL, and safety warnings — link-safety grounding for agents before they visit or cite a URL. Clean JSON.
netintel.dev
netintel.dev
Call OpenAI's gpt-4.1-mini via a single pay-per-call x402 endpoint — no OpenAI account or API key needed, pay $0.005 per request in USDC. Standard OpenAI chat.completions request/response shape, capped input and output. Search terms: OpenAI, gpt-4.1-mini, chat completion, LLM, no API key.
netintel-production-440c.up.railway.app
netintel-production-440c.up.railway.app
Calculates IPv4/IPv6 subnet details from CIDR notation including network/broadcast addresses, netmask, usable host range, supernet, and possible subnets; for multiple CIDRs, detects overlaps and classifies relationships.
dns-intel-api-production.up.railway.app
dns-intel-api-production.up.railway.app
Discover subdomains for a domain via Certificate Transparency logs (crt.sh); returns a de-duplicated, sorted list.