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SYNTHORA Gravatar Email Identity Profile
x402
SYNTHORA Gravatar Email Identity Profile is a paid API for AI agents from gravatar-identity-profile.hergertsynthora.com, paid per call via x402, $0.008/call, status down (last checked 2026-09-13).
Looks up a public Gravatar profile (display name, avatar, verified social accounts) from an email's MD5 hash, returning a structured persona or 404 if none exists.
Price / call$0.008
Success—
StatusDown
How this service works
Returns the public Gravatar profile (username, display name, avatar, verified social accounts) tied to an email's MD5 hash via the gravatar.com JSON endpoint, or 404 if none exists. A2A use: email-enrichment and identity-verification agents attach a public persona to an address and confirm a real human behind it.
Output
A JSON object with ok:true and a result containing the Gravatar profile data (username, display name, avatar URL, verified linked social accounts), or a 404 response if no Gravatar profile is associated with the given email MD5 hash.
Example use cases
Enrich CRM contact with public persona
“I have a contact email hash b642b4217b34b1e8d3bd915fc65c4452 — can you pull their Gravatar profile so I can attach a real name and avatar to them in our CRM?”
Verify real human behind a signup email
“Someone just signed up with this email MD5 hash 1aedb8d9dc4751e229a335e371db8058 — check if they have a Gravatar profile to confirm there's a real person behind the address.”
Display avatar in user-facing directory
“For each contact in our directory, grab their Gravatar display name and avatar image using their email's MD5 hash so we can show profile pictures next to their names.”
Technical details
Endpoint
POSThttps://gravatar-identity-profile.hergertsynthora.com/serviceWhen to prefer
Use this endpoint when you need to enrich an email address with a public Gravatar persona — display name, avatar, and verified social accounts — without requiring the raw email address (only the MD5 hash is needed, preserving some privacy). Prefer this over general social-profile APIs when Gravatar coverage is sufficient and the use case is lightweight email-to-identity enrichment at low cost.
Side effects
- 404 returned when no Gravatar profile exists for the given MD5 hash
- Invalid or malformed MD5 hash input causes lookup failure
- Gravatar API rate limiting or downtime propagated as error
- Profiles set to private by the user may return limited or no data
- Incorrect MD5 hash (e.g. computed from unnormalized email) yields no results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| email_md5_hashrequired | string | email_md5_hash |
Tags
x402
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