listed
Busker QR Generator · workbot1.oddsys.org
Generate a QR code from text as PNG (base64) or SVG. Custom module size, quiet-zone margin, and hex colours. Deterministic, capacity-capped at 2953 bytes. Set delivery to "url" to receive a short-lived download link instead of inline data.
https://workbot1.oddsys.org/fx
Live foreign-exchange reference rates (European Central Bank daily fixes, ~30 major currencies): any cross-rate from any base, optional amount conversion. Refreshed daily; response carries the rate date.
https://workbot1.oddsys.org/holidays
Public holidays for ~200 countries and their subdivisions, plus business-day arithmetic: is this date a holiday or business day, next business day, add N business days, count business days between dates. Configurable weekend and holiday types.
https://workbot1.oddsys.org/iban
Validate and decompose IBANs (checksum, country format, IBAN registry, SEPA membership; bank/branch/account parts) and BIC/SWIFT codes. Batches up to 100. Format validation only — does not prove an account exists.
https://workbot1.oddsys.org/lang
Language identification for 180+ languages (every language with ≥1M speakers): ISO 639-3 code, ISO 639-1 code and English name, with ranked candidates and a confidence margin. Single text or batches up to 100.
https://workbot1.oddsys.org/qr
Generate a QR code from text as PNG (base64) or SVG. Custom module size, quiet-zone margin, and hex colours. Deterministic, capacity-capped at 2953 bytes. Set delivery to "url" to receive a short-lived download link instead of inline data.
https://workbot1.oddsys.org/tokens
Exact BPE token counts for OpenAI-family encodings (o200k_base for GPT-4o/4.1/5, cl100k_base for GPT-4/3.5/embeddings), single text or batches, with optional truncation to a token budget. Up to 512 KB per call.
https://workbot1.oddsys.org/tz
Time-zone conversion on the IANA database: convert a time between zones with offsets, abbreviations and DST flags, describe zones at an instant, or compute the shared business-hours window across several zones for meeting scheduling.
https://workbot1.oddsys.org/validate
Validate JSON against a JSON Schema (draft-07, 2019-09, 2020-12, with string formats): every violation with path, keyword and message. One instance, a JSON string, or up to 100 instances against one schema.
https://workbot1.oddsys.org/verify-sig
Verify EVM signatures offline: EIP-191 personal messages, EIP-712 typed data, and x402/EIP-3009 payment authorizations (paste a raw Payment-Signature header) — recovers the signing wallet, checks it against an expected address, and reports the authorization's amount, payee and validity window. No chain reads.
This listing is taken from the catalogues and the provider named above. The price is what that source advertised.
