Discover / keyronne.com
Hash + HMAC
■ Challenge detectedCompute cryptographic digests and HMACs deterministically: MD5, SHA-1, SHA-256, SHA-384, SHA-512, output as hex, base64, or base64url. Add a "key" for HMAC. Built for checksums, content addressing, and signature verification. Inputs are hashed and discarded. POST a JSON body like: {"text":"hello world","algorithm":"sha256","encoding":"hex"}
- Listed price
- $0.001
- Challenge detected
- 10 of the last 10 checks
- Median response
- 179 ms
- Last checked
- 16 Oct, 23:40 UTC
- In our index since
- 26 Sept 2026
Endpoint
curl -i https://keyronne.com/api/hash # 402 Payment Required: pay with an x402 client (USDC on Base), # then send the same request again with the payment attached.
13 listed endpoints · on x402 Bazaar
Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.
Base URLhttps:
- POST/markdown$0.005Convert a web page (by URL) or raw HTML into clean, readable Markdown plus structured metadata (title, description, Open Graph tags, canonical URL, language). Strips scripts, styles and boilerplate tags; preserves headings, links, images, lists, code blocks and tables. Built for agents that need web content as LLM-ready text. POST a JSON body like: {"url":"https://example.com/article"}
- POST/phone$0.001Validate and parse phone numbers in international E.164 form: extract the country calling code and region, the national number, and the canonical +E.164 string. Single number or a batch of up to 50. Format validation, not a line-in-service check. POST a JSON body like: {"phone":"+14155552671"}
- POST/color$0.001Parse any CSS color (hex, rgb(), hsl()) and emit all three formats plus relative luminance. Compute WCAG contrast ratios against a background with AA/AAA pass-fail for normal and large text, and lighten, darken, or mix colors. Built for agents generating accessible UI themes. POST a JSON body like: {"color":"#3498db","background":"#ffffff"}
- POST/weather$0.005Current conditions plus hourly and daily forecasts for anywhere on Earth. Pass a major city name or lat/lon coordinates; get temperature, wind, humidity, pressure, cloud cover, condition codes and precipitation, with up to 90 hourly and 10 daily entries. Data from MET Norway (CC BY 4.0). No API keys, one call. POST a JSON body like: {"city":"paris","hourly":12,"days":3}
- POST/json-repair$0.001Repair malformed JSON text into valid parsed JSON: markdown code fences, single quotes, smart quotes, unquoted keys, trailing commas, comments, Python literals (True/None), raw newlines in strings, and truncated output (auto-closes strings, arrays and objects). Returns the parsed value plus a log of every repair applied. Built for LLM output that almost parses. POST a JSON body like: {"text":"```json\n{name: 'Ada', age: 36, tags: ['x',], active: True"}
- POST/dns$0.002Resolve DNS records over DNS-over-HTTPS: A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, SRV, PTR and more. Returns parsed answers with TTLs and the response status. Built for agents checking mail routing, domain config, or propagation. POST a JSON body like: {"name":"example.com","type":"MX"}
- POST/email-validate$0.003Validate email addresses: RFC-style syntax checks, IDN domain normalization, live MX lookups with A/AAAA fallback (DNS-over-HTTPS), disposable-domain detection, role-address detection (info@, support@), free-provider flagging, and typo suggestions for popular providers (gmial.com -> gmail.com). Single address or batches up to 50. POST a JSON body like: {"emails":["[email protected]","[email protected]","[email protected]"]}
- POST/validate-json$0.001Validate a JSON value against a JSON Schema and coerce common LLM-output mistakes (numbers as strings, stringified booleans, scalars where arrays are expected, missing defaults, extra properties). Returns the coerced value plus a structured error report. Built for cleaning up LLM tool-call arguments and structured outputs. POST a JSON body like: {"schema":{"type":"object","required":["name","age"],"properties":{"name":{"type":"string"},"age":{"type":"integer"}}},"data":{"name":"Ada","age":"36"}}
- POST/price$0.003Current USD prices for any crypto asset: majors by ticker (BTC, ETH, SOL), anything else by CoinGecko id or chain + contract address — so long-tail meme tokens work too. Up to 25 assets per call with per-asset confidence scores and timestamps. Crypto only; no equities or ETFs. POST a JSON body like: {"symbols":["BTC","ETH","pepe"]}
- POST/chain-block$0.003Fetch a block header by number, hash, or "latest" on Ethereum, Base, Arbitrum, Optimism, Polygon, or BNB Chain: timestamp, miner, gas used/limit, base fee, transaction count, size. Public JSON-RPC, no API keys. POST a JSON body like: {"chain":"base","block":"latest"}
- POST/route$0.01Point-to-point directions between 2-10 stops by car, bike, or on foot: total and per-leg distance and travel time, plus route geometry as an encoded polyline. Stops can be place names (geocoded automatically) or lat/lon coordinates. Generic travel and delivery routing on OpenStreetMap road data, global coverage. POST a JSON body like: {"stops":["paris","lyon"],"mode":"car"}
- POST/geocode$0.003Forward and reverse geocoding on OpenStreetMap data: turn place names, addresses, and landmarks into coordinates with structured address components (forward), or turn lat/lon into the nearest address (reverse). Global coverage, up to 10 ranked results. ODbL attribution included in every response. POST a JSON body like: {"query":"eiffel tower, paris","limit":1}
- POST/hash$0.001Compute cryptographic digests and HMACs deterministically: MD5, SHA-1, SHA-256, SHA-384, SHA-512, output as hex, base64, or base64url. Add a "key" for HMAC. Built for checksums, content addressing, and signature verification. Inputs are hashed and discarded. POST a JSON body like: {"text":"hello world","algorithm":"sha256","encoding":"hex"}
A dash means the listing gives no price or method. Copy buttons copy the full URL.
Showing 13 of 13 listed endpoints.
Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/keyronne.com
Recent checks
All 10 checks
| When (UTC) | Result | HTTP | Response |
|---|---|---|---|
| 16 Oct, 23:40 UTC | Challenge detected | 402 | 295ms |
| 15 Oct, 19:10 UTC | Challenge detected | 402 | 550ms |
| 14 Oct, 14:31 UTC | Challenge detected | 402 | 211ms |
| 12 Oct, 10:53 UTC | Challenge detected | 402 | 138ms |
| 10 Oct, 15:44 UTC | Challenge detected | 402 | 68ms |
| 9 Oct, 12:40 UTC | Challenge detected | 402 | 103ms |
| 8 Oct, 09:33 UTC | Challenge detected | 402 | 146ms |
| 7 Oct, 06:40 UTC | Challenge detected | 402 | 310ms |
| 5 Oct, 17:05 UTC | Challenge detected | 402 | 333ms |
| 26 Sept, 05:02 UTC | Challenge detected | 402 | 110ms |
Questions
Did our last probe detect a payment challenge?
At our last probe on 16 Oct, 23:40 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.
What price is recorded for Hash + HMAC?
Its listed price is $0.001.
What payment terms does Hash + HMAC advertise?
The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.
Where is Hash + HMAC listed?
In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.
Something wrong on this page? Tell us.