SaaSFlow
DevelopersAPIReferencecustomers

Update external id

Replace a customer's external ids with the list you send. This is a full replacement, not a merge, so include the ids you want to keep. An id already claimed by a different customer in the same company is refused with 409, which keeps imports from splitting one customer across two records.

Authentication

You're not signed in. Either sign in at app.saasflow.com and reload (then pick sessionCookie), or paste a SaaSFlow sf_… API key in the bearerAuth field below.
PUT
/companies/{companyId}/customers/{customerId}/external-ids

Authorization

Authorization<token>

A SaaSFlow API key (format sf_…) or an OAuth bearer token. Paste only the key — the proxy adds the Bearer prefix. Create an API key in Settings → Company settings → API keys — see API keys.

In: header

Path Parameters

companyId*string
Length1 <= length
customerId*string
Length1 <= length

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

application/json

curl -X PUT "https://example.com/companies/string/customers/string/external-ids" \  -H "Content-Type: application/json" \  -d '{    "externalIds": [      "string"    ]  }'
{  "externalIds": [    "string"  ]}

List external ids

List the external ids linked to a customer. These are the identifiers this customer carries in connected systems (a Stripe customer id, a HubSpot company id, and so on), and they are what lets an importer recognise the same customer across syncs.

List vendors

List vendors, each enriched with the number of transactions booked against it. The response shape depends on `limit`: send it and you get `{ items, totalCount }`, omit it and you get a bare array of every vendor. `q` matches on name. `nrTransactions` is omitted entirely for callers without `transactions:read`, so absence of the key means no permission rather than zero transactions.