toolgrep / Other / bsv.cx

Alternatives to bsv.cx

bsv.cx: Timestamp and verify evidence on Bitcoin (BSV) via OP_RETURN, with free SPV proof verification against self-synced block headers. 8 products similar to bsv.cx, compared on pricing, free tier, API, MCP server, SDK and open source. 7 of 8 have a free tier, 6 of 8 have an API, 5 of 8 offer an MCP server.

• Akashi Notari

  Simple proof of existence

  Other

• BlockVectra

  Multi-chain RPC and blockchain data APIs

  APIs & backend free tierAPIMCP

• Stablecoin Scanner

  Onchain dollar telemetry for humans and AI agents

  Monitoring & observability free tierAPIMCP

• Heybounce

  Email validation service with bulk list verification and a real-time verification API.

  Email & messaging free tierAPI

• Webhook Toolkit

  Test, inspect and debug webhooks with a live capture URL, CLI forwarding, AI explanations and an MCP server.

  Testing & QA free tierAPIMCPSDK

• BackPoW

  Proof of Work oracle with solo mining calculators, cost of production data, and a Suffering Index for 127+ PoW coins

  Other free tierAPIMCP

• UptimeObserver

  Uptime monitoring for websites, SSL certificates, DNS, domains, ports, and ping with alerting via email, Telegram, Slack, Discord, Pushover, and webhooks.

  Monitoring & observability free tier

• MailVeri

  Bulk email verifier and real-time verification API with pay-as-you-go pricing

  Email & messaging free tierAPIMCP

Side by side

Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.

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