Developer tools

CNAME record of mx2.<domain>: looks up the mx2 host under the domain you give (CNAME via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like mx2 without enumerating subdomains. $0.01 per lookup.

AAAA record of mx2.<domain>: looks up the mx2 host under the domain you give (AAAA via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like mx2 without enumerating subdomains. $0.01 per lookup.

A record of mx2.<domain>: looks up the mx2 host under the domain you give (A via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like mx2 without enumerating subdomains. $0.01 per lookup.

TXT record of mx1.<domain>: looks up the mx1 host under the domain you give (TXT via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like mx1 without enumerating subdomains. $0.01 per lookup.

CNAME record of mx1.<domain>: looks up the mx1 host under the domain you give (CNAME via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like mx1 without enumerating subdomains. $0.01 per lookup.

AAAA record of mx1.<domain>: looks up the mx1 host under the domain you give (AAAA via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like mx1 without enumerating subdomains. $0.01 per lookup.

A record of mx1.<domain>: looks up the mx1 host under the domain you give (A via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like mx1 without enumerating subdomains. $0.01 per lookup.

TXT record of mx.<domain>: looks up the mx host under the domain you give (TXT via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like mx without enumerating subdomains. $0.01 per lookup.

AAAA record of mx.<domain>: looks up the mx host under the domain you give (AAAA via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like mx without enumerating subdomains. $0.01 per lookup.

A record of mx.<domain>: looks up the mx host under the domain you give (A via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like mx without enumerating subdomains. $0.01 per lookup.

TXT record of ns2.<domain>: looks up the ns2 host under the domain you give (TXT via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like ns2 without enumerating subdomains. $0.01 per lookup.

CNAME record of ns2.<domain>: looks up the ns2 host under the domain you give (CNAME via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like ns2 without enumerating subdomains. $0.01 per lookup.

Change watch for subdomain finder: runs the check and compares it with the result from your previous call for the same domain (kept 90 days), returning the current answer, changed true/false, exactly which fields changed with before/after values, and when it was last seen. Call it on a schedule to be told when subdomain finder from certificate-transparency logs changes. $0.02 per check.

Deploy jobs to Acurast decentralized cloud with automatic payment

Fetch a live https URL and score whether the deploy is actually there. POST {"url":"https://your.site","min_score":80} ($0.02). Default x402-seller profile: HTTPS, HSTS, llms.txt, catalog, OpenAPI, MCP, health. Optional claims[] or profile:"web". Returns 0–100, evidence, do_this_first, ci_failed. Humans: GET /v1/tools/claim-check/report?host=your.site. Badge goes stale after 7 days.

Predicts whether a GitHub repository will merge an AI-authored or external pull request, based on its stated AI/contribution policy and historical merge rates.

POST {url} of any x402 listing -> its machine-readable I/O schema (from the advertised bazaar extension or our paid-response archive), input/output examples, price, and probe-measured delivery grade. Saves a coding agent a risky test purchase against an endpoint that may not deliver. Never charged on failure.

Compact Daily Monitoring snapshot for the tracked slice.

Bulk is dns hosted by cloudflare registrar: up to 20 domains in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.

+13 more from dns.intel.rallylive.ca

Run code in an isolated cloud sandbox and get its output — agents can't self-host this. POST {code, language?}. language: python (default), javascript, bash, r, java. Returns stdout, stderr, results, error. Hard-capped: 25s wall-clock, 100KB code, 64KB output, fully isolated.

Xynaptic Health Drug Info — official drug fact sheet: active ingredient, brand/generic names, form, route, dosage label highlights, warnings and boxed warnings from openFDA (US) — official public data, not advice. GET ?drug=aspirin (or ?code=NDC). Informational only — not medical advice.

Automaton-Sovereign Value API call

Paginated list of merchants (top recipients by volume)

Call when an agent needs a structured brand or product mention brief from public web sources: theme clusters, sentiment, and short licensed samples. Use it to see how a name is discussed before drafting a reply. Send JSON {"query":"acme widgets","lookback_days":30,"sources":["web","reviews"],"limit":40,"lang":"en"}. Exact $0.02 USDC on Base. Try unpaid POST /v1/sandbox/mentions first.

+986 more from agentshelf.syntexa.ch

Curated named color palette with hex codes, mood, and CSS variables.

Deforestation profile of a Brazilian municipality by IBGE code, from the official INPE satellite alert system (DETER, Amazon and Cerrado): area cleared and alert count since 31 Dec 2020 (the EUDR cutoff date), plus 30/90/365-day windows, breakdown by class (clear-cut, degradation, mining) and rank among affected municipalities. The origin-risk layer for coffee, soy, beef, cocoa entering the EU. Free sample, no payment: https://api.brazilayer.com/v1/desmatamento/amostra

What exactly does this provider support, where is it licensed and what does it charge? Full cited record for one provider: stablecoin rails, corridors, licences, published fees, coverage, developer and agent-payment support. Every fact has source URL, retrieval date, quote and confidence.

Use this service before importing or publishing JSON to check it against a restricted draft-07 schema. Send dataJson and schemaJson as JSON-encoded strings. Max 256 KiB UTF-8 each, depth 32; bounded node and work limits. Supports types, required properties, items, enums and numeric/length bounds. No regex, combinators or external references. Invalid business data returns valid=false.

Cron expression explained in plain English with the next run times in any time zone - validates a 5-field cron and handles DST

+3 more from Saylor Innovations Dev Tools

Brazilian postal code (CEP) to address - state, city, neighborhood and street

+1 more from Saylor Innovations Brazil Data