pythonanywhere.com

Base58 encode or decode bytes/hex (Solana-style base58).

Base58 encode or decode bytes/hex (Solana-style base58).

Base64 encode or decode a string — base64 encoder/decoder (body {mode:encode|decode,input}).

Base64 encode or decode a string — base64 encoder/decoder (body {mode:encode|decode,input}).

Call before pricing or settling a crypto payment: live spot prices for one or more coins by CoinGecko id (USD price, 24h change, market cap) from a keyless multi-source chain that never returns an upstream 429.

Call before pricing or settling a crypto payment: live spot prices for one or more coins by CoinGecko id (USD price, 24h change, market cap) from a keyless multi-source chain that never returns an upstream 429.

Difference between two ISO-8601 timestamps in days/seconds (date diff).

Difference between two ISO-8601 timestamps in days/seconds (date diff).

EVM address checksum and validation — check an Ethereum/Base address format before sending funds.

EVM address checksum and validation — check an Ethereum/Base address format before sending funds.

Hex encode or decode text — hex string encoder/decoder.

Hex encode or decode text — hex string encoder/decoder.

Validate, pretty-print (0-8 spaces), or minify JSON — json formatter/validator.

Validate, pretty-print (0-8 spaces), or minify JSON — json formatter/validator.

Decode a JWT — parse header and payload claims without a key (no signature verification).

Decode a JWT — parse header and payload claims without a key (no signature verification).

Call before adding or upgrading a dependency: package-registry metadata for one package (PyPI or npm): latest version, summary, license, dependency count; PyPI also returns 30-day downloads.

Call before adding or upgrading a dependency: package-registry metadata for one package (PyPI or npm): latest version, summary, license, dependency count; PyPI also returns 30-day downloads.

SHA-256 hash/digest of a text string — also sha512 and sha3-256; returns hex.

SHA-256 hash/digest of a text string — also sha512 and sha3-256; returns hex.

Call before moving funds on Solana: decision-grade account snapshot — kind; mint decimals/supply/authority; whole-account balance and recent signatures — keyless solana-public-rpc.

Call before moving funds on Solana: decision-grade account snapshot — kind; mint decimals/supply/authority; whole-account balance and recent signatures — keyless solana-public-rpc.

Call before trading or pricing a Solana token: normalized live onchain snapshot (price, 24h change, liquidity, 24h volume, top DEX pair).

Call before trading or pricing a Solana token: normalized live onchain snapshot (price, 24h change, liquidity, 24h volume, top DEX pair).

URL encode or decode a string (percent-encoding) for query, path or fragment.

URL encode or decode a string (percent-encoding) for query, path or fragment.

Generate a random UUID (uuid v4, RFC 9562) — 1..100 per call; format uuid|urn|hex|int.

Generate a random UUID (uuid v4, RFC 9562) — 1..100 per call; format uuid|urn|hex|int.

Call before trusting or paying a third-party x402 seller: catalog-vs-live integrity -- verify an x402 listing (payee, price, network, service, tags, bazaar block) against the live 402; an endpoint preflight for x402 catalog vs live offers, seller trust and listing consistency so an agent can skip dead or mismatched endpoints (JSON).

Call before trusting or paying a third-party x402 seller: catalog-vs-live integrity -- verify an x402 listing (payee, price, network, service, tags, bazaar block) against the live 402; an endpoint preflight for x402 catalog vs live offers, seller trust and listing consistency so an agent can skip dead or mismatched endpoints (JSON).

Call before routing or accepting an x402 payment: multi-rail health (facilitators, settlement, market) across x402 rails (JSON).

Call before routing or accepting an x402 payment: multi-rail health (facilitators, settlement, market) across x402 rails (JSON).