Query retention cohorts - Arbol

POST

/

analytics

/

retention

Query retention cohorts

curl --request POST \
  --url https://api.getarbol.com/v1/analytics/retention \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "anchor": "2026-08-29T14:30:00Z"
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({anchor: '2026-08-29T14:30:00Z'})
};

fetch('https://api.getarbol.com/v1/analytics/retention', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.getarbol.com/v1/analytics/retention"

payload = { "anchor": "2026-08-29T14:30:00Z" }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "anchor": "2026-08-29T14:30:00Z",
  "cells": [
    {
      "cohort": 4503599627370495,
      "offset": 4503599627370495,
      "people": 4503599627370495
    }
  ],
  "weeks": 6
}

{
  "defined": true,
  "inferable": true,
  "code": "BAD_REQUEST",
  "status": 400,
  "message": "<string>",
  "data": {
    "issues": [
      {
        "code": "custom",
        "message": "<string>",
        "path": [
          "<string>"
        ]
      }
    ],
    "truncated": true
  }
}

{
  "defined": true,
  "inferable": true,
  "code": "UNAUTHORIZED",
  "status": 401,
  "message": "<string>",
  "data": "<unknown>"
}

{
  "defined": true,
  "inferable": true,
  "code": "FORBIDDEN",
  "status": 403,
  "message": "<string>",
  "data": {
    "missingPermissions": [
      "agents:read"
    ]
  }
}

{
  "code": "PAYLOAD_TOO_LARGE",
  "defined": false,
  "inferable": false,
  "message": "<string>",
  "data": "<unknown>"
}

{
  "code": "UNSUPPORTED_MEDIA_TYPE",
  "defined": false,
  "inferable": false,
  "message": "<string>",
  "data": "<unknown>"
}

Authorizations

Authorization

string

header

required

Organization-scoped Auth0 user access token issued to an approved first-party client or exchanged by a trusted OBO resource server.

Body

application/json

Weekly cohorts of first-time contacts and the later weeks they returned in.

anchor

string<date-time>

required

ISO 8601 timestamp with an explicit UTC offset.

Pattern:

^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$

Example:

"2026-08-29T14:30:00Z"

agentId

string

Opaque Arbol resource identifier; the endpoint and tenant-scoped lookup determine its resource type.

Maximum string length: 64

Pattern: ^[a-z][a-z0-9]{1,15}_[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$

Example:

"agt_018f47a2-4f4d-7d61-9e2c-1d7b8e9a0c31"

channelKind

enum<string>

Conversation transport family.

Available options:

voice,

whatsapp,

web

Example:

"voice"

weeks

integer

default:8

Required range: 4 <= x <= 12

Response

OK

Cohort × week-offset counts; offset 0 carries each cohort's size.

anchor

string<date-time>

required

ISO 8601 timestamp with an explicit UTC offset.

Pattern:

^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+)?(?:Z|([+-](?:[01]\d|2[0-3]):[0-5]\d)))$

Example:

"2026-08-29T14:30:00Z"

cells

object[]

required

Maximum array length: 200

Show child attributes

weeks

integer

required

Required range: 1 <= x <= 12

⌘I

Query retention cohorts

curl --request POST \
  --url https://api.getarbol.com/v1/analytics/retention \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "anchor": "2026-08-29T14:30:00Z"
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({anchor: '2026-08-29T14:30:00Z'})
};

fetch('https://api.getarbol.com/v1/analytics/retention', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.getarbol.com/v1/analytics/retention"

payload = { "anchor": "2026-08-29T14:30:00Z" }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "anchor": "2026-08-29T14:30:00Z",
  "cells": [
    {
      "cohort": 4503599627370495,
      "offset": 4503599627370495,
      "people": 4503599627370495
    }
  ],
  "weeks": 6
}

{
  "defined": true,
  "inferable": true,
  "code": "BAD_REQUEST",
  "status": 400,
  "message": "<string>",
  "data": {
    "issues": [
      {
        "code": "custom",
        "message": "<string>",
        "path": [
          "<string>"
        ]
      }
    ],
    "truncated": true
  }
}

{
  "defined": true,
  "inferable": true,
  "code": "UNAUTHORIZED",
  "status": 401,
  "message": "<string>",
  "data": "<unknown>"
}

{
  "defined": true,
  "inferable": true,
  "code": "FORBIDDEN",
  "status": 403,
  "message": "<string>",
  "data": {
    "missingPermissions": [
      "agents:read"
    ]
  }
}

{
  "code": "PAYLOAD_TOO_LARGE",
  "defined": false,
  "inferable": false,
  "message": "<string>",
  "data": "<unknown>"
}

{
  "code": "UNSUPPORTED_MEDIA_TYPE",
  "defined": false,
  "inferable": false,
  "message": "<string>",
  "data": "<unknown>"
}