3hcvxvrh.nx.link
https://3hcvxvrh.nx.link/getLatestCheckpointWitness API https://api.witness.co - GET Returns the latest onchain checkpoint.
Reliability & health
Uptime and response time from our own unpaid probes, plus the reliability score built from them.
Uptime
100.0% avgResponse time
p50 238ms · p95 388msData table
| Bucket | Uptime | Probes | Response time |
|---|---|---|---|
| 7/23/2026, 12:00:00 AM | 100% | 1 | 285ms |
| 7/24/2026, 12:00:00 AM | 100% | 1 | 206ms |
| 7/25/2026, 12:00:00 AM | 100% | 1 | 222ms |
| 7/26/2026, 12:00:00 AM | 100% | 1 | 252ms |
| 7/27/2026, 12:00:00 AM | 100% | 1 | 203ms |
| 7/28/2026, 12:00:00 AM | 100% | 1 | 235ms |
| 7/29/2026, 12:00:00 AM | 100% | 1 | 230ms |
| 7/30/2026, 12:00:00 AM | 100% | 1 | 335ms |
| 7/31/2026, 12:00:00 AM | 100% | 1 | 200ms |
| 8/1/2026, 12:00:00 AM | 100% | 1 | 227ms |
| 8/2/2026, 12:00:00 AM | 100% | 1 | 223ms |
| 8/3/2026, 12:00:00 AM | 100% | 1 | 238ms |
| 8/4/2026, 12:00:00 AM | 100% | 1 | 193ms |
| 8/5/2026, 12:00:00 AM | 100% | 1 | 374ms |
| 8/6/2026, 12:00:00 AM | 100% | 1 | 287ms |
| 8/7/2026, 12:00:00 AM | 100% | 1 | 217ms |
| 8/8/2026, 12:00:00 AM | 100% | 1 | 244ms |
| 8/9/2026, 12:00:00 AM | 100% | 1 | 212ms |
| 8/10/2026, 12:00:00 AM | 100% | 1 | 281ms |
| 8/11/2026, 12:00:00 AM | 100% | 1 | 318ms |
| 8/12/2026, 12:00:00 AM | 100% | 1 | 235ms |
| 8/13/2026, 12:00:00 AM | 100% | 1 | 199ms |
| 8/14/2026, 12:00:00 AM | 100% | 1 | 227ms |
| 8/15/2026, 12:00:00 AM | 100% | 1 | 234ms |
| 8/16/2026, 12:00:00 AM | 100% | 1 | 371ms |
| 8/17/2026, 12:00:00 AM | 100% | 1 | 251ms |
| 8/18/2026, 12:00:00 AM | 100% | 1 | 288ms |
| 8/19/2026, 12:00:00 AM | 100% | 20 | 240ms |
| 8/20/2026, 12:00:00 AM | 100% | 21 | 247ms |
| 8/21/2026, 12:00:00 AM | 100% | 14 | 232ms |
- Availability
- 100
- Latency
- 100
- Security
- 100
- Transparency
- 61
- Activity
- not yet measured
How often it was reachable when we probed it (weight 35%).
How quickly it answers when it is up — fast scores high (weight 20%).
Whether it serves over working TLS / https (weight 15%).
Whether the operator disclosed what it does — description, schema, identity (weight 15%).
Observed on-chain payments to this endpoint's wallet — transactions, volume, and distinct paying wallets over the last month (weight 15%; not yet measured when we have not seen its wallet settle).
Confidence 100% — how much probe evidence backs this score. A thin history is flagged, not hidden.
See the scoring methodology for exactly how each number is computed.
Payment
- Currencies
- USDC
- Networks
- base
- Facilitator
- self-hosted
- SDK
- unknown
Operator
- Company
- inferred — unknown
- Jurisdiction
- —
- Registrar
- Cloudflare
- Domain registered
- 2025-10-01
- Hosting network
- CLOUDFLARENET
- Hosting country
- —
Operator context is derived from public RDAP/TLS records and unverified. Company and country are only available for endpoints that publish them (an OV/EV TLS certificate or a non-redacted domain record); most endpoints are CDN-fronted and disclose neither.
On-chain activity (base)
Settlement totals · last payment 4/8/2026
Response schema
{
"parameters": [
{
"description": "Optional chain ID of the checkpoint; defaults to 8453",
"example": 8453,
"in": "query",
"name": "chainId",
"required": false,
"schema": {
"anyOf": [
{
"not": {}
},
{
"type": "number"
}
],
"default": 8453
}
}
],
"responses": {
"200": {
"content": {
"application/json": {
"example": {
"blockHash": "0x97e78047a64a1bb484d69e3093ec34d9a0d13f682496bffa492626909df5efd3",
"blockNumber": "123456789",
"chainId": 8453,
"rootHash": "0x97e78047a64a1bb484d69e3093ec34d9a0d13f682496bffa492626909df5efd3",
"status": "included",
"timestamp": "1698262805",
"treeSize": "123456789",
"txHash": "0x97e78047a64a1bb484d69e3093ec34d9a0d13f682496bffa492626909df5efd3"
},
"schema": {
"additionalProperties": false,
"properties": {
"blockHash": {
"description": "The hash of the block the checkpoint was included in",
"type": "string"
},
"blockNumber": {
"anyOf": [
{
"type": "string"
},
{
"type": "string"
}
],
"description": "The block number the checkpoint was included in"
},
"chainId": {
"description": "The chain ID the checkpoint corresponds to",
"type": "number"
},
"rootHash": {
"description": "Root hash of the checkpoint",
"type": "string"
},
"status": {
"description": "The status of the checkpoint (deprecated)",
"enum": [
"included",
"pending",
"finalized"
],
"type": "string"
},
"timestamp": {
"anyOf": [
{
"type": "string"
},
{
"type": "string"
},
{
"type": "string"
}
],
"description": "The timestamp in epoch seconds"
},
"treeSize": {
"anyOf": [
{
"type": "string"
},
{
"type": "string"
}
],
"description": "The size of the tree for the given checkpoint"
},
"txHash": {
"description": "Transaction hash of the checkpoint",
"type": "string"
}
},
"required": [
"txHash",
"blockNumber",
"blockHash",
"chainId",
"timestamp",
"rootHash",
"treeSize",
"status"
],
"type": "object"
}
}
},
"description": "Successful response"
},
"default": {
"$ref": "#/components/responses/error"
}
}
}