Changelog

May 2026

2026-05-08

• Improvement API responses now normalize phone numbers to E.164, dates to ISO 8601 UTC, and detect upstream charsets so non-UTF-8 registries no longer leak mojibake.

April 2026

2026-04-25

• New Quota warning emails and dashboard banner at 75% and 100% of monthly request limit.

2026-04-24

• Improvement SDK v0.5.0 for Python, Node.js, PHP, Go, and Java with tlds() and NotSupportedError.
• New Check API uptime and incidents at status.rdapapi.io.

2026-04-22

• New GET /api/v1/tlds and GET /api/v1/tlds/{tld} return the supported-TLD catalog with per-TLD field availability. See the API docs.

2026-04-18

• Improvement 404 responses now use error: not_supported for uncovered namespaces, distinct from error: not_found for missing records.
• Improvement Nameserver hostnames in API responses are validated and cleaned of registry-packed annotations.

2026-04-17

• Fix Fixed .fi domain lookups that were returning 404 due to a stale URL override.

March 2026

2026-03-29

• New View and download invoices and credit notes from the billing page.

2026-03-17

• Breaking Upstream rate limits now return HTTP 503 with Retry-After, distinct from 429 for plan quota. SDKs raise TemporarilyUnavailableError.

2026-03-14

• New Added support for .aw (Aruba) domain lookups.

2026-03-07

• Improvement Plan rate limit responses (HTTP 429) now include a retry_after field in the JSON body, so SDKs know exactly when to retry.

2026-03-06

• New Launched /stats, a public page with aggregate statistics computed from RDAP responses across all supported TLDs.

2026-03-03

• New CIDR lookup support on the IP endpoint. GET /api/v1/ip/192.0.2.0/24 returns block ownership instead of requiring a single address.

February 2026

2026-02-26

• New Five official SDKs with typed clients and 503 retry: Python, Node.js, PHP, Go, Java. MIT licensed.

2026-02-25

• New Bulk domain lookup. Query up to 10 domains in a single API call via POST /api/v1/domains/bulk.

2026-02-24

• New Four new endpoints: GET /api/v1/ip/{address}, /asn/{number}, /nameserver/{host}, /entity/{handle}.

2026-02-23

• New Public lookup pages at /lookup/{domain}.
• New /tlds directory with search over 1,200+ supported registries.

2026-02-22

• New Registrar follow-through. Pass ?follow=true on a domain lookup to merge richer entity data from the registrar RDAP server.

2026-02-20

• New Initial launch. Three plans, bearer token authentication, OpenAPI 3.1 spec, interactive docs.