VERIFYGRID REGISTRY TOOL // VALIDATE_EMAIL_SIGNUP
B2B Email Deliverability & Disposable Domain Shield.
Block throwaway burner domains, verify MX/SPF/DMARC DNS records, and score B2B SaaS trial signups in real time via REST or MCP.
Live Edge Endpoint & Schema
- REST ENDPOINT
- GET /mcp
- MCP TOOL
- validate_email_signup
- CREDIT COST
- 1 CREDITS / CALL
- AUTHORITY FEED
- Edge DNS MX/SPF Resolver + Disposable Domain Feed
- SAMPLE INPUT
- compliance@jbhunt.com
Deterministic JSON Response Fields
emaildomaindeliverabledisposablemx_records_validfree_trial_abuse_risk
Instant cURL & MCP Execution
# 1. Direct REST Verification
curl -s "https://www.verifygrid.io/mcp" \
-H "Authorization: Bearer vg_test_sandbox"
# 2. Streamable HTTP Remote MCP Call
curl -s -X POST "https://www.verifygrid.io/mcp" \
-H "Content-Type: application/json" \
-d '{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "validate_email_signup",
"arguments": {}
}
}'
// FAQREGISTRY & INTEGRATION SPECIFICATIONS
How can AI agents call email verification?
AI agents invoke the validate_email_signup tool over Streamable HTTP MCP at POST https://verifygrid.io/mcp for 1 credit per lookup.