All projects on Base matching “mint”

openFDA food enforcement / recalls (keyless). POST {search} and/or {status?,limit?}. Empty → 404 not charged.

OpenFIGI instrument search/mapping (keyless). POST {query} (+ optional start/exchCode/securityType/marketSecDes). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: sec-companyfacts / sec-ticker-lookup (SEC filings ≠ FIGI identifiers).

TfL Line Status (keyless, UK/London-scoped). POST {mode?|line?}. Empty -> 400 not charged. Adjacent to tfl-stop-search.

Wikidata entity lookup (CC0, keyless). Q-id and/or search → trimmed labels/descriptions/aliases + small claim set.

Public Wikidata relationship graph (≤2 hops). Fixed property list; privacy bounds (no family/contact). Empty+reason → charged:false. Amp port.

Open Food Facts product lookup (keyless). POST {barcode|code|q|query}. Empty -> 400 not charged.

Open Library search.json (keyless). POST {q}/{limit?}/{offset?}/{fields?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. No catalog adjacency.

TfL StopPoint search (keyless, UK/London-scoped). POST {q|query}. Empty -> 400 not charged.

Open Products Facts product search (keyless). POST {q|query}/{barcode?|code?}. Empty -> 400 not charged.

OpenSSF Scorecard repo supply-chain health (keyless). POST {platform}/{org}/{repo} required. Empty -> 400 not charged. osv-vuln-query/nist-nvd-cve-lookup adjacency disclosed.

Approximate cl100k/o200k token counts for budget decisions. Offline. Amp port.

Wikipedia page summary via REST (keyless, User-Agent required). title (+ lang) → extract/thumbnail/urls.

Epoch s/ms/us/ns or ISO-8601 ↔ epoch_s/ms + ISO UTC + any IANA tz. Offline. Amp port.

ERC-20 name/symbol/decimals/totalSupply (+ optional balanceOf) via multicall3 on Base or Ethereum. 400 if not a contract. Amp port.

ORCID public researcher record (keyless). POST {orcid}. Accept application/json. Miss → 404 not charged.

Europe PMC literature search (keyless). POST {query}/{pageSize?}. Empty -> 400 not charged. pubmed/crossref/doaj/biorxiv adjacency disclosed.

EPA Envirofacts TRI facility lookup (keyless). POST {state_abbr?} / {facility_name?} / {rows?}. Empty → 400 not charged.

EPA ECHO CWA facility search (keyless). POST {p_fn|facility_name} and/or geo filters. Empty → 400 not charged.

NASA EONET natural events (keyless). POST {limit?}/{status?}/{category?}. Empty -> 400 not charged. fema/GDACS adjacency disclosed.

Extract entities/fields from text into a caller JSON Schema. Wikidata QID links + source spans. Fail closed (no charge) if output does not validate.

ENCODE genomics experiment/search (keyless). POST {q|query|searchTerm}/{limit?}. Empty -> 400 not charged.

Email deliverability (MX/SPF/DMARC via DoH). No SMTP mailbox probe. No charge on empty/failed.

ECB EXR official FX reference rates SDMX (keyless). POST {currency?}/{last_n?}. Empty -> 400 not charged. fx-spot/fx-history adjacency disclosed.

USGS earthquake GeoJSON feed (keyless). Window day|week|month (significant preferred) → quake list.

Dryad research datasets search (keyless). POST {q|query} with optional {per_page?}. Empty → 400 not charged.

DNS + WHOIS/RDAP + TLS composite for one domain. Settles only if ≥1 facet non-empty; else charged:false. Reuses dns-lookup / whois-rdap / ssl-cert-check helpers.

DOI metadata via Crossref (primary) + OpenAlex fallback. Title/authors/year/venue/URL.

DNS via Cloudflare/Google DoH: A/AAAA/MX/TXT/NS/CAA + optional SPF/DMARC parse. No mailbox probing.

DigitalNZ cultural heritage records (keyless). POST {text}/{q?}/{per_page?}. Empty -> 400 not charged. europeana/LoC/IA adjacency disclosed.

Eurostat dissemination statistics (keyless). POST {dataset}/{geo?}/{time?}. Empty -> 400 not charged. New EU official-stats vertical — disclose dataeuropa/oecd/worldbank adjacency.