AI
Agent Card Validator (A2A)
agentcard.hergertsynthora.com
Validates an A2A Agent Card, given as a URL or inline JSON, against the A2A spec: required fields, skill schemas, endpoint reachability, security schemes and provider transparency. Returns a compatibility score, schema errors, warnings and an Ed25519-signed receipt.
Back to service marketHTTP x402 online test
Send an unpaid request using the provider's template and inspect the 402 payment requirements returned by the service.
POST
https://agentcard.hergertsynthora.com/service
Service tags
validates
agent
card
given
Service information
- Provider
- agentcard.hergertsynthora.com
- Category
- AI
- Uptime (30 days)
- 100%
- Avg response time (30 days)
- 589 ms
- Information updated
- Aug 15, 2026
Payment details
Option 1
exact
eip155:8453
- Atomic amount
- 50000
- Payment timeout
- 300 seconds
- Asset
- USD Coin · 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
- Recipient
- 0x10800a5a5B9d72251566EC651E862A8b4B427dE0