429 error despite using very low request rate

I’m getting 429 errors starting from 2023-06-26. The errors disappear when I reduce my requests per second rate to 4, but it’s too low, I’m getting 429 errors even at 5rps. Usually the errors start popping up in the second half of an hour(30+ minutes).
I’m using StarCraft2 API, but I know that some WoW API users are also affected by this issue.

US traces

x-trace-traceid: c8b5c9be-5b22-3499-b6f7-0b247f67b539
x-trace-spanid: 176c4018-8a0b-75e0-4aec-fa164c355705
x-trace-parentspanid: 176c4018-8a0b-7350-4aec-fa164c355705

x-trace-traceid: 52f8376d-06a0-3da6-be4f-11e3bd95b31c
x-trace-spanid: 176c400c-857e-ba30-5c99-fa164d4e7a01
x-trace-parentspanid: 176c400c-857e-b870-5c99-fa164d4e7a01

x-trace-traceid: b37bf4b0-ccea-302a-9729-65eb8ccb5ce9
x-trace-spanid: 176c4192-f7fe-9c60-cc71-fa164c0b53f6
x-trace-parentspanid: 176c4192-f7fe-98a0-cc71-fa164c0b53f6

x-trace-traceid: 7524350d-88d5-3fd4-a65c-d243b19e6b48
x-trace-spanid: 176c4018-8a0c-a970-4aec-fa164c355705
x-trace-parentspanid: 176c4018-8a0c-a3d0-4aec-fa164c355705

x-trace-traceid: 9e75c005-886f-3d4d-9db2-f260e6657802
x-trace-spanid: 176c40db-08a3-8000-01e6-fa164dc2ef21
x-trace-parentspanid: 176c40db-08a3-7f40-01e6-fa164dc2ef21

x-trace-traceid: 9c555224-4cac-3e1c-b8b6-ba91a7f40ac0
x-trace-spanid: 176c4196-7fa2-0120-adc6-fa164dcebae9
x-trace-parentspanid: 176c4196-7fa1-ff40-adc6-fa164dcebae9

x-trace-traceid: 89c23dcc-7a4b-39b3-85d4-d06f89c900fe
x-trace-spanid: 176c3ffb-8820-1f50-9b0c-fa164d78e203
x-trace-parentspanid: 176c3ffb-8820-1b50-9b0c-fa164d78e203

x-trace-traceid: 8e73a138-aa49-3c93-8f0e-35440851f417
x-trace-spanid: 176c420b-cacd-0890-291f-fa164c7ee5ee
x-trace-parentspanid: 176c420b-cacd-0810-291f-fa164c7ee5ee

x-trace-traceid: c507fea6-f5fb-349b-974d-5fbc50a4662c
x-trace-spanid: 176c40db-08a6-6dd0-01e6-fa164dc2ef21
x-trace-parentspanid: 176c40db-08a6-6c10-01e6-fa164dc2ef21

x-trace-traceid: dcb46a34-ea4c-3f97-bcb8-e1b3029e6b65
x-trace-spanid: 176c3ffb-8827-8110-9b0c-fa164d78e203
x-trace-parentspanid: 176c3ffb-8827-7ef0-9b0c-fa164d78e203

EU traces

x-trace-traceid: d64b3c88-1933-3058-9e92-2075ba5d1265
x-trace-spanid: 176c4329-525c-e7e0-3d77-fa165a716c06
x-trace-parentspanid: 176c4329-525c-e4b0-3d77-fa165a716c06

x-trace-traceid: 4b84a881-2cf5-346f-8ce4-641e046f8356
x-trace-spanid: 176c4214-db07-43c0-87e6-fa165b420a0a
x-trace-parentspanid: 176c4214-db07-42c0-87e6-fa165b420a0a

x-trace-traceid: a3df363f-320d-3f18-b700-19c5bfc52e97
x-trace-spanid: 176c40be-41a3-fdf0-80e8-fa165ab1c3e2
x-trace-parentspanid: 176c40be-41a3-fc70-80e8-fa165ab1c3e2

x-trace-traceid: ad88489b-29dd-3913-b38b-60a0f27915c6
x-trace-spanid: 176c4214-db07-9a70-87e6-fa165b420a0a
x-trace-parentspanid: 176c4214-db07-9910-87e6-fa165b420a0a

x-trace-traceid: c6acb12e-69e0-3f86-8e7e-0b4b7a7c241e
x-trace-spanid: 176c414f-31d4-a260-e3f5-fa165b089887
x-trace-parentspanid: 176c414f-31d4-a120-e3f5-fa165b089887

x-trace-traceid: 63822bbc-15d5-3a42-8102-7ea623d96e36
x-trace-spanid: 176c40be-41a4-5820-80e8-fa165ab1c3e2
x-trace-parentspanid: 176c40be-41a4-5520-80e8-fa165ab1c3e2

x-trace-traceid: cbee99a6-5f21-3cb3-ac8e-f45f8e9c0446
x-trace-spanid: 176c414f-31d4-f570-e3f5-fa165b089887
x-trace-parentspanid: 176c414f-31d4-f3b0-e3f5-fa165b089887

x-trace-traceid: 9295bc1e-9eab-3448-8a76-6d6175684f10
x-trace-spanid: 176c4087-0413-5170-f37e-fa165b06b19d
x-trace-parentspanid: 176c4087-0413-50a0-f37e-fa165b06b19d

x-trace-traceid: d406c67c-b41c-34f3-9c28-ae75776db0be
x-trace-spanid: 176c40be-41a4-a870-80e8-fa165ab1c3e2
x-trace-parentspanid: 176c40be-41a4-a770-80e8-fa165ab1c3e2

x-trace-traceid: 8a4a7e2d-daa0-362b-8678-f0ed003e9aa9
x-trace-spanid: 176c40be-41a4-a850-80e8-fa165ab1c3e2
x-trace-parentspanid: 176c40be-41a4-a6f0-80e8-fa165ab1c3e2

i’m seeing the same issue as this, i’m actively limiting my crawlers to <34,000 queries per hour.