io.usefulapi/abstract-api
A
- +: answered 100% of our probes in 7 days
Abstract API MCP by usefulapi. Validate emails, phones, IBAN, VAT; look up IPs and companies; rates, holidays, time via Abstract.
| Probes in the last 7 days | 3 |
| Answered (%, 7 days) | 100 |
| Median connect time (ms) | 233 |
| Sign-in | open |
| Tools | 14 |
| Tools changed in the last 14 days | no |
| Last tool change | – |
| Domain age (days) | – |
| Registry status | active |
Verify it yourself. Ed25519 signature (base64url) over the RFC 8785 canonical JSON of `statement`, checked with the public key at https://api.annalist.dev/.well-known/annalist-key.json (key_id must match). Then check valid_until. The probes behind it are archived daily, and each day's archive hashes are in the public ledger.
Server authors: show this grade in your README. It updates daily.
[](https://annalist.dev/mcp/io.usefulapi/abstract-api)