Single-chain sequencer health
Single-chain sequencer health. Returns P99/P95 RTT, stall flag, revert ratio for one of 12 monitored L2 chains.
Answeringour last check, 2026-11-04
1 of 1checks answered this week
266 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://rtt.phoenix-ai.work/api/v1/chains/:chain
| Category | Everything else |
|---|---|
| Provider host | rtt.phoenix-ai.work |
| Networks | eip155:137, eip155:42161, eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-11-04 | valid payment request | 402 | $0.01 | 266 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"chain": "base"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"properties": {
"chain": {
"description": "L2 chain name",
"enum": [
"base",
"arbitrum",
"optimism",
"zksync",
"blast",
"linea",
"mantle",
"mode",
"scroll",
"taiko",
"polygon_zkevm",
"casper"
],
"type": "string"
}
},
"required": [
"chain"
],
"type": "object"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}