x402 resource directory

Find paid HTTP operations and MCP tools by URL, host, method or tool name. Compare payment terms across networks and catalogs.

Distinct HTTP URLs
164,839
Distinct MCP URLs
43
Catalog observations
263,972
URLs with a 402 in 7 days
2,279
Network identifiers
183

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POST https://format.halowerk.com/v1/avv-checklist · 2 observations
Checklist after Art. 28 GDPR (Regulation (EU) 2016/679 Art. 28 (GDPR), https://eur-lex.europa.eu/eli/reg/2016/679/oj, German and English text retrieved from the EU Publications Office 2026-11-01): Art. 28(3) sentence 1 (subject-matter, duration, nature and purpose, type of personal data, categories of data subjects, obligations and rights of the controller), points (a) documented instructions incl. third-country transfers, (b) confidentiality of authorised persons, (c) Art.

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/certificate-batch · 2 observations
Parses CSV (delimiter detected) or JSON rows, fills {{column}} placeholders and typesets one framed certificate page per record in headless Chrome (scripts off, network blocked; system fonts cover Latin, Greek, Cyrillic, CJK). The name is fitted to the line width with font metrics; overflowing pages are shrunk once, otherwise rejected with row numbers. Optional serial numbers and verification codes (64 bits of SHA-256 over serial and row) in the manifest. Price covers up to 200 pages.

format.halowerk.com profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0100 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/contract-dates-ics · 2 observations
Extracts start date, initial term or fixed end date, renewal (fixed periods or indefinite), notice period and its reference date (end of term, month, quarter, year) and dated deadlines from the text with German and English patterns; overrides can correct or replace each value. Terms run from the start of the first day (§ 187 Abs. 2 BGB) and end with the day before the corresponding day (§ 188 Abs. 2, 3 BGB; § 189 for half years).

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/contract-parties · 2 observations
Locates the party block after "zwischen"/"between" (up to the first clause, preamble or "agree as follows"), splits it at the separating "und"/"and" lines or role definitions and reads per party: name, legal form (list of German, Austrian, Swiss, EU, UK and US forms such as GmbH, UG (haftungsbeschränkt), GmbH & Co.

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/gaeb-generate · 2 observations
Builds an X83 (Angebotsaufforderung, prices are not part of X83) from categories (lots and hierarchy levels with labels) and items with item number (OZ), short and long text, quantity, unit and the item kinds lump sum, provisional with/without total, alternative group/serial and quantity to be entered by the bidder (GAEB DA XML 3.3 Fachdokumentation 2023-01 (© DIN e.

format.halowerk.com profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0100 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/gaeb-parse · 2 observations
Reads GAEB DA XML 3.2 and 3.3 exchange phases X80-X87 (GAEB DA XML 3.3 Fachdokumentation 2023-01 (© DIN e. V., Gemeinsamer Ausschuss Elektronik im Bauwesen) and the XSD schemas 3.3 (2021-05) and 3.2 (2013-10), https://www.gaeb.de/de/service/downloads/gaeb-datenaustausch/ (checked 2026-11-01)). XML is parsed without DTD or entity support (DOCTYPE is rejected) and limited to 10 MB.

format.halowerk.com profile

  • Base · exact
    $0.0100 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0100 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/graphviz-render · 2 observations
Graphviz compiled to WebAssembly (@hpcc-js/wasm-graphviz 1.30) runs inside a sandboxed Chrome renderer with network blocked, so a pathological graph cannot exhaust the API process. Syntax errors return the Graphviz message; file-reading attributes (image, shapefile, imagepath) and javascript: links are rejected. Node, edge and cluster counts come from the SVG; PNG is rasterised by Chrome.

format.halowerk.com profile

  • Base · exact
    $0.0040 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0040 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/html-to-pdf · 2 observations
Prints HTML/CSS with headless Chrome 148 (puppeteer-core) in a fresh incognito context per call. Scripts in the document are disabled and every network request is blocked (only inline and data: resources), so no foreign URL is fetched; blocked requests are counted. Page size (ISO A3-A5, Letter, Legal, custom or CSS @page), margins, landscape, scale, page ranges, bookmarks, header/footer with {page}/{pages}/{title}/{date}. Limits: 3 MB HTML, 500 pages, 30 MB PDF.

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/label-sheet · 2 observations
Fills {{column}} line templates per record (empty lines dropped, as for addresses), fits the text into the printable label area using font metrics and places every label at its exact millimetre position on sheets rendered by headless Chrome (scripts off, network blocked, full Unicode). Presets come from the gLabels template database (GPL-3.0, values unchanged; check them against your packaging); other sheets as a custom grid. Start position, copies, sender line, test outlines.

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/markdown-slides · 2 observations
Splits Markdown into slides at --- lines (fenced code respected) or at headings, extracts speaker notes (lines after Note:/Notes: and HTML comments), converts slides with marked (raw HTML shown as text, only http/https/mailto links and data: images) and prints them with headless Chrome at 1280x720 or 1024x768 px per slide (scripts off, network blocked). Overfull slides are measured and scaled down to at most 50 %; slides that still overflow are reported. PDF only, no PPTX.

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/mermaid-render · 2 observations
Runs mermaid 12.2 from node_modules (no CDN) in a fresh incognito Chrome context with all network requests blocked, initialised with securityLevel strict (labels sanitised, no click callbacks, no HTML labels) and deterministic ids; directives cannot lift the protected security keys. Syntax errors return the parser message. PNG is rasterised by Chrome from the SVG.

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/nda-terms · 2 observations
Reads PDF (pdf.js text layer), DOCX (WordprocessingML: paragraphs, tables, numbering, headings) or text, tracks clause headings (§, Art., numbered) and applies disclosed German and English patterns sentence by sentence: NDA type (gegenseitig/mutual vs.

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/obligation-register · 2 observations
Every sentence is scanned with disclosed German and English modal patterns: obligations (verpflichtet sich, ist verpflichtet, hat … zu, muss, obliegt, schuldet, stellt sicher, gewährleistet; shall, must, agrees to, undertakes to), prohibitions (darf … nicht, ist untersagt, hat zu unterlassen; shall not, must not, may not), restrictions (darf nur; may only) and permissions/rights (ist berechtigt, hat das Recht, darf, kann; may, is entitled to).

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/pdf-compress-to-size · 2 observations
Measures the largest placed size of every image XObject from the page content (pdf-lib 1.17.1 plus own content interpreter) and derives its effective resolution. Lossless steps come first: uncompressed streams are Flate-compressed, page thumbnails optionally dropped, unreachable objects removed and objects packed into object streams.

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/pdf-form-schema · 2 observations
Walks the AcroForm field tree with pdf-lib 1.17.1 (ISO 32000-2 §12.7.4, inheritable FT/Ff/V/DV/Opt/MaxLen) and maps every terminal field to a schema property named with its fully qualified name: text fields to strings with maxLength, number-formatted fields to numbers, checkboxes to booleans (or their on/Off states), radio groups and combo boxes to enums of export values (radio states resolved through /Opt indices), editable combos to strings with examples, multi-select lists to arrays with…

format.halowerk.com profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 6 calls and 4 unique payers in 30 days. Last call .
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/quote-compare · 2 observations
Each offer line is converted to a price per requested unit (count, mass, length, area, volume, time; price_per for prices per 100 or 1000 units; units of different dimensions are rejected) and to the base currency with caller-supplied rates (no external rates are fetched).

format.halowerk.com profile

  • Base · exact
    $0.0040 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0040 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/sla-extract · 2 observations
German and English patterns over sentences and DOCX table rows: availability percentages next to Verfügbarkeit/availability/uptime with the measurement period (calendar month, quarter, year, week); the permitted downtime is computed as (100 % - availability) x period length for a week, 30- and 31-day months and a 365-day year.

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/tender-checklist · 2 observations
Rule-based reading of award documents under the Vergabeverordnung (Vergabeverordnung (VgV) 2016, https://www.gesetze-im-internet.de/vgv_2016/ (checked 2026-11-01), text checked 2026-11-12) and the UVgO (Unterschwellenvergabeordnung (UVgO) 2017, BAnz AT 07.02.2017 B1, text https://www.bmwk.de/Redaktion/DE/Downloads/U/unterschwellenvergabeordnung-uvgo.pdf (checked 2026-11-01)).

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/vega-render · 2 observations
Compiles Vega-Lite 6.5 to Vega 6.4 and renders to SVG with the string renderer (no canvas); PNG comes from the Chrome canvas. Both libraries run from node_modules inside a sandboxed Chrome renderer with network blocked, so Vega expressions never run in the API process. Data must be inline: any url is rejected and loader access is blocked and reported. Returns size, mark item count and warnings.

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/xrechnung-generate · 2 observations
Builds an EN 16931 / XRechnung 3.0 invoice in UBL 2.1 or UN/CEFACT CII syntax with seller and buyer electronic addresses, contact, payment means (SEPA credit transfer with IBAN), VAT breakdown per category and rate, and totals rounded per EN 16931 rules (line net = quantity × price, VAT per category = base × rate). Every invoice is checked with the KoSIT validator 1.6.3 and the XRechnung configuration 3.0.2; invoices that are not accepted are not charged and the validator messages are returned.

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen
POST https://format.halowerk.com/v1/zugferd-generate · 2 observations
Builds the structured invoice as XRechnung 3.0 in UN/CEFACT CII syntax, validates it with the KoSIT validator 1.6.3 (XRechnung configuration 3.0.2) and only then creates the hybrid PDF: PDF/A-3b with embedded fonts (Liberation Sans, OFL) and sRGB output intent, XMP metadata with the Factur-X extension schema (conformance level XRECHNUNG), and the XML attached as xrechnung.xml with AFRelationship Alternative, as required for the ZUGFeRD 2.3 profile XRECHNUNG.

format.halowerk.com profile

  • Base · exact
    $0.0050 (USDC)
    Recipient 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0050 (USDC)
    agentic.market · seen

Counts describe directory coverage, including testnets. Each resource groups the same URL, HTTP method or MCP tool across sources. A catalog sighting records published terms. A live 402 records the endpoint’s reply to an unpaid request.