Alternatives

Products that do what HashProof does

API for Verifiable Credentials

1. 1
   keychains.dev▲177

   Give AI access to 6754+ APIs with zero credentials exposed

   Feb 2026 · keychains.dev

2. 2
   DL3ARN▲234

   Digitize & verify credentials in the blockchain

   2023

3. 3
   Bitproof▲113

   True certification in the bitcoin blockchain

   2015

4. 4
   Blue Check▲24

   New Age. Instant. <$1 Verification.

   2025

5. 5
   Email Verify API▲92

   Simple email validation API for a $39 lifetime license

   2021

6. 6
   Cred▲97

   OAuth credential delegation for AI agents

   Apr 2026 · cred.ninja

7. 7BT
   btproof - trusted timestamping on the Bitcoin blockchain▲75

   2013 · btproof.com

8. 8
   HASH▲127

   Build complex simulations quickly with modular components

   2020

9. 9
   x402▲119

   An open protocol for internet-native payments from Coinbase

   2025

10. 10HA
    Hash Archive helps you verify the hashes of insecure downloads▲52

    2016 · hash-archive.org

11. 11SV
    Seal – Verifiable timestamp for your private ideas▲113

    2022 · docs.planet.ink

12. 12
    yousaidthat.org▲63

    Prove that you said things before anyone else

    Jun 2026 · yousaidthat.org

13. 13FH
    Futuure – hash-certified public prediction store▲93

    2021 · futuu.re

14. 14
    Blocknify▲71

    Sign sensitive documents without sacrificing your privacy.

    2018

15. 15
    ETN DataProof — Web3▲1

    Certify any data on blockchain for less than $0.0001

    May 2026 · etndataproof-web3.netlify.app

16. 16
    TransactProof▲3

    From tx-hash to PDF proof — instantly.

    Nov 2025

17. 17
    HashCam▲8

    AI can fake content. HashCam proves what’s real.

    Mar 2026 · hashcam.io

18. 18BC
    Blockchain Certification Protocol▲24

    2015 · github.com

19. 19
    Hashsecured▲8

    DevSecOps Simplified: Secure Code, Faster Delivery.

    Oct 2025

20. 20XA
    X402 – an open standard for internet native payments▲16

    Hi HN – excited to announce x402, initially developed by Coinbase (YC 12) x402 lets any HTTP API charge per request without issuing API keys or storing credit cards. Buyers (humans or AI agents) keep funds in their own wallet and dynamically discover compatible endpoints, call them as usual, and automatically pay a microtransaction in USDC or other tokens to settle. 90 second demo: https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=PV-L2AfLhJg Problem: Every time we want to use a new API we have to: find the service online create a developer account, copy a secret key into env vars, pre-fund or…

    2025 · x402.org

21. 21TD
    The Draft CryptoCurrency Security Standard▲15

    2015 · cryptoconsortium.github.io

22. 22BC
    Bitcoinproof - Create a forgery-proof timestamp for your data▲8

    2013 · vog.github.io

23. 23TH
    Toy Haskell blockchain with variable hash functions for ASIC resistance▲15

    2020 · github.com

24. 24
    Verifully▲17

    Your One Email Verification Platform to Replace them All

    20d ago · verifully.com

Ranked by how close each launch is in meaning, then by votes. Refine with a description →