bsv.cx
Timestamp and verify evidence on Bitcoin (BSV) via OP_RETURN, with free SPV proof verification against self-synced block headers.
bsv.cx writes compact, publicly-auditable records into Bitcoin SV (OP_RETURN) and provides a free SPV proof checker that validates TSC proofs, BEEF, or BUMP against block headers it syncs itself over the BSV P2P network, returning confirmed/rejected/inconclusive. Related services include file and text notarization (browser-side hashing), batch timestamping (~1 sat/hash), verifiable URL fetch, notarized page screenshots, on-chain web archiving, and an on-chain URL shortener. Paid APIs use HTTP 402 pay-per-call with BSV micropayments or MNEE stablecoin; no accounts, logins, or API keys. Machine-readable discovery at /.well-known/x402 and /.well-known/mcp.
- Category
- Other
- Pricing
- usage_based
- Free tier
- yes
- API
- yes
- MCP server
- yes
- SDK
- no
- Open source
- unknown
Listed 2026-10-27 · last verified 2026-10-27 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.8
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API
curl https://toolgrep.com/api/products/bsv-cx