108 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Cookie Domain Match: evaluates host-only or Domain cookie matching for a request host using only bounded caller-supplied values. Call when you need a bounded cookie domain match result before accepting, caching, redirect...
Inspect URL reachability, status, latency, and key headers for $0.001 USDC. Call when you need a cheap uptime preflight before paying a heavier fetch—not a full page extract and not a crawl. Returns status and timing via...
Authorization Scheme Identify: identifies an Authorization scheme without exposing or validating credentials using only bounded caller-supplied values. Call when you need a bounded authorization scheme identify result be...
Email SPF Alignment Check: checks relaxed or strict SPF domain alignment using only bounded caller-supplied values. Call when you need a bounded email spf alignment check result before deciding relaxed or strict SPF doma...
Frame Ancestors Check: checks whether a CSP frame-ancestors directive contains a required source using only bounded caller-supplied values. Call when you need a bounded frame ancestors check result before accepting, cach...
Transfer Encoding Check: checks transfer-coding order and whether chunked appears only last using only bounded caller-supplied values. Call when you need a bounded transfer encoding check result before accepting, caching...
Digest Header Verify: verifies a sha-256 Digest value against caller-supplied text bytes using only bounded caller-supplied values. Call when you need a bounded digest header verify result before accepting, caching, redi...
Retrieve a private mock record by ID for $0.01 Base Sepolia test USDC.
Company profile from a domain for lead enrichment: name, one-line description, industry, business model, products, HQ country and city, founded year, size hint (AI-extracted from the site's own home, about and contact pa...
HTTP status troubleshooter - meaning, causes, fixes, headers and related codes for one code, a list or a search
Explains HTTP headers: for each header name you give (comma-separated), what it does, typical values and an example, plus whether it is a request, response or both, and a security relevance flag. Covers 60+ common header...
Is TCP port 80 (HTTP) open on a host? Attempts a connection from Cloudflare's edge and reports open/closed/filtered with the connect time; Cloudflare-fronted hosts are reported as inconclusive because their edge answers...
Change watch for is port 80 open: runs the check, compares it with the result from your previous call for the same host (kept 90 days) and returns the current answer, changed true/false, the fields that changed with befo...
Bulk is port 80 open: up to 20 hosts 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 t...
HTTP 100 Continue: what it means (the client may send the request body), what a client should do (continue sending), the class it belongs to, whether it is retryable and idempotency-safe, the defining RFC, and common cau...
HTTP 101 Switching Protocols: what it means (upgrade accepted (e.g. WebSocket)), what a client should do (switch protocol), the class it belongs to, whether it is retryable and idempotency-safe, the defining RFC, and com...
HTTP 102 Processing: what it means (WebDAV: still working), what a client should do (wait), the class it belongs to, whether it is retryable and idempotency-safe, the defining RFC, and common causes. Precise one-code ref...
HTTP 103 Early Hints: what it means (preload hints before the final response), what a client should do (start preloading), the class it belongs to, whether it is retryable and idempotency-safe, the defining RFC, and comm...
HTTP 200 OK: what it means (success), what a client should do (use the body), the class it belongs to, whether it is retryable and idempotency-safe, the defining RFC, and common causes. Precise one-code reference for err...
HTTP 201 Created: what it means (resource created; Location points at it), what a client should do (read Location), the class it belongs to, whether it is retryable and idempotency-safe, the defining RFC, and common caus...
HTTP 202 Accepted: what it means (queued for async processing), what a client should do (poll the status URL), the class it belongs to, whether it is retryable and idempotency-safe, the defining RFC, and common causes. P...
HTTP 203 Non-Authoritative Information: what it means (transformed by a proxy), what a client should do (use with care), the class it belongs to, whether it is retryable and idempotency-safe, the defining RFC, and common...
HTTP 204 No Content: what it means (success with empty body), what a client should do (nothing to parse), the class it belongs to, whether it is retryable and idempotency-safe, the defining RFC, and common causes. Precis...
HTTP 205 Reset Content: what it means (reset the form/view), what a client should do (reset UI), the class it belongs to, whether it is retryable and idempotency-safe, the defining RFC, and common causes. Precise one-cod...