BitBooth Regex Test: pay 0.001 USDC, safely compile and run a regex against a corpus. Returns structured matches with capture groups, indices, and lengths. JS engine flags (g, i, m, s, u, y, d). Hard CPU deadline guards against catastrophic backtracking (ReDoS) — `regex_timeout` is reported instead of stalling. Stateless, no API key.
ERC-20 token balance for any wallet — USDC, USDT, DAI, or any token contract — via balanceOf eth_call, with decimals applied. Ethereum or Base mainnet. Pay 0.003 USDC.
0.003 USD Coin / request · eip155:8453
0.0004 USDC / request · eip155:1440000
0.0001 USDC / request · eip155:8453
0.003000 USDC / request · xrpl:0
0.003000 USDC / request · xrpl:0
Unknown price · stellar:pubnet
Unknown price · stellar:pubnet
Unknown price · xrpl:0
POSTx402 · listed
https://app.heinrichstech.com/v1/cdp/echo
BitBooth echo endpoint — pays a tiny USDC fee, returns a JSON echo. Reference implementation of the x402 + CDP Facilitator + Bazaar discovery loop.
BitBooth JSON Repair: take any almost-JSON string (LLM tool output, broken API response, etc.), fix the common errors (trailing commas, single quotes, unquoted keys, missing brackets), and optionally validate against a JSON Schema. Built for AI agents that wrap every tool call in defensive parsing. Pay 0.001 USDC per call, no API key, no subscription.
0.005 USD Coin / request · eip155:8453
0.0004 USDC / request · eip155:1440000
0.0001 USDC / request · eip155:8453
0.005000 USDC / request · xrpl:0
0.005000 USDC / request · xrpl:0
Unknown price · stellar:pubnet
Unknown price · stellar:pubnet
Unknown price · xrpl:0
POSTx402 · listed
https://app.heinrichstech.com/v1/cdp/pii-redact
BitBooth PII Redact: pay 0.002 USDC, strip emails, phones, SSNs, credit cards, IPv4 addresses, and hex-looking secrets from a text blob before passing it to an LLM. Compliance primitive for agents in regulated industries (health, finance, legal). Pure regex — no LLM inference, deterministic output.
0.008 USD Coin / request · eip155:8453
0.0004 USDC / request · eip155:1440000
0.0001 USDC / request · eip155:8453
0.008000 USDC / request · xrpl:0
0.008000 USDC / request · xrpl:0
Unknown price · stellar:pubnet
Unknown price · stellar:pubnet
Unknown price · xrpl:0
POSTx402 · listed
https://app.heinrichstech.com/v1/cdp/regex-test
BitBooth Regex Test: pay 0.001 USDC, safely compile and run a regex against a corpus. Returns structured matches with capture groups, indices, and lengths. JS engine flags (g, i, m, s, u, y, d). Hard CPU deadline guards against catastrophic backtracking (ReDoS) — `regex_timeout` is reported instead of stalling. Stateless, no API key.
BitBooth Webhook Signature Verify: pay 0.001 USDC, verify a webhook signature against the provider's canonical HMAC scheme. Supports stripe, github, vercel, cdp, slack, and generic HMAC-SHA256. Constant-time compare, clock-skew tolerance on timestamp-bearing providers (Stripe / Slack / CDP). Stateless — caller supplies their secret in the request body, we never store it.
0.005 USD Coin / request · eip155:8453
0.0004 USDC / request · eip155:1440000
0.0001 USDC / request · eip155:8453
0.005000 USDC / request · xrpl:0
0.005000 USDC / request · xrpl:0
Unknown price · stellar:pubnet
Unknown price · stellar:pubnet
Unknown price · xrpl:0
POSTx402 · listed
https://app.heinrichstech.com/v1/cdp/whois
BitBooth Whois: pay 0.005 USDC, get the parsed whois record for any domain — registrar, creation/updated/expiry dates, name servers, status flags, plus the raw whois text. Two-hop resolution via whois.iana.org then the authoritative registry over TCP port 43. 5s per-connection timeout cap. Rejects IPv4/IPv6 inputs and blocks SSRF at the DNS layer. Built for agents auditing domain ownership, monitoring expiry, or pre-flighting a target.
