Call when an agent needs JSON converted to YAML. No network. Send JSON {"json":{"name":"Ada"}}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/json-to-yaml first.

Call when an agent needs a markdown heading table of contents. No network. Send JSON {"markdown":"# Hello\n\n## World\n"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/toc-md first.

Call when an agent needs a JSON value checked against a JSON Schema. No network. Send JSON {"data":{"name":"Ada"},"schema":{"type":"object","required":["name"],"properties":{"name":{"type":"string"}}}}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/json-schema-check first.

Call when an agent needs a JSONPath query evaluated over JSON. No network. Send JSON {"json":{"user":{"name":"Ada"}},"path":"$.user.name"}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/json-path first.

Call when an agent needs a cron expression explained in English. No network. Send JSON {"expression":"0 9 * * 1-5"}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/cron-describe first.

Call when an agent needs a CSV table converted to a JSON array of objects. No network. Send JSON {"csv":"name,role\nAda,eng\n"}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/csv-to-json first.

Call when an agent needs image URLs (img, srcset, og:image) extracted from a public page or HTML. Use it to list images without a browser. Provide url or html. SSRF-safe. Send JSON {"html":"<img src=\"https://example.com/a.png\" alt=\"A\">"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/extract-images first.

Call when an agent needs YAML converted to JSON. No network. Send JSON {"yaml":"name: Ada\nrole: eng\n"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/yaml-to-json first.

Call when an agent needs a unified diff of two strings. Use it to compare a draft with the previous text. No network. Input size is capped. Send JSON {"a":"one\n","b":"two\n"}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/diff-text first.

Call when an agent needs HTML sanitized to an allowlist of tags and safe URLs. No network. Send JSON {"html":"<p onclick=\"x\">Hi</p><script>bad</script>"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/html-sanitize first.

Call when an agent needs tracking query parameters stripped from a URL. No network. Send JSON {"url":"https://example.com/a?utm_source=x&id=1"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/strip-utm first.

Call when an agent needs a JSON array of objects converted to CSV. No network. Send JSON {"rows":[{"name":"Ada","role":"eng"}]}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/json-to-csv first.

Call when an agent needs a Flesch reading-ease score for text. No network. Send JSON {"text":"The cat sat on the mat. The mat was flat."}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/flesch-score first.

Call when an agent needs email syntax checked (no SMTP). No network. Send JSON {"email":"Ada@Example.com"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/email-syntax first.

Call when an agent needs published and modified dates extracted from a public page or HTML (SSRF-safe). Send JSON {"html":"<meta property=\"article:published_time\" content=\"2026-01-02T00:00:00Z\">"}. Exact $0.004 USDC on Base. Try unpaid POST /v1/sandbox/article-dates first.

Call when an agent needs lightweight stack hints from response headers and HTML (generator, x-powered-by, framework fingerprints, analytics booleans). Use it to guess a site's stack. No browser. Send JSON {"url":"https://example.com/"}. Exact $0.008 USDC on Base. Try unpaid POST /v1/sandbox/tech-hints first.

Call when an agent needs a SHA-256 or MD5 hex digest of provided text. No network. Send JSON {"text":"hello","algorithm":"sha256"}. Exact $0.001 USDC on Base. Try unpaid POST /v1/sandbox/content-hash first.

Call when an agent needs hreflang alternates extracted from a public page or HTML (SSRF-safe). Send JSON {"html":"<link rel=\"alternate\" hreflang=\"en\" href=\"https://example.com/en\">"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/hreflang-list first.

Call when an agent needs a heuristic language guess for text. No LLM and no network. Send JSON {"text":"The widget is now generally available for the public on the web."}. Exact $0.002 USDC on Base. Try unpaid POST /v1/sandbox/lang-detect first.

Call when an agent needs a TLS certificate summary (validity, expiry, issuer, subject, SANs) for a public host or URL. Use it to check a certificate before sending users there. Private IPs are blocked. Provide host or url. Send JSON {"host":"example.com"}. Exact $0.004 USDC on Base. Try unpaid POST /v1/sandbox/ssl-check first.