Current Billproof support
What Billproof supports today
Billproof does not currently offer direct Customer.io invoice retrieval. You can still build a reviewable record by forwarding invoice email or uploading the original document.
Invoice retrieval
Where Customer.io provides invoices
Account Settings > Plans & Billing > Billing History.
Ways to retrieve records today
Access controls
Authentication and permissions
- OAuth
- Not used for this workflow
- API token
- Not used for this workflow
- Browser session
- Required for portal access
- Required role
- Customer.io Admin
Vendor evidence
Available billing and document data
This table describes data documented by the vendor. It does not imply that Billproof retrieves every field directly.
| Billing capability | Vendor availability | Evidence note |
|---|---|---|
| Account discovery | Not documented | No verified detail is available yet. |
| Billing history | Documented | No verified detail is available yet. |
| Invoice metadata | Documented | No verified detail is available yet. |
| Invoice PDF | Documented | Customer.io documents a PDF download for each billing period. |
| Credit notes | Unknown | No verified detail is available yet. |
| Line items | Unknown | No verified detail is available yet. |
| Usage data | Unknown | No verified detail is available yet. |
| Subscriptions | Documented | No verified detail is available yet. |
| Payment method | Unknown | No verified detail is available yet. |
Normalized record
Fields Billproof can normalize
- vendor_name
- invoice_number
- invoice_date
- billing_period
- plan_name
- line_items
- subtotal
- tax
- total
- currency
Known boundaries
Limitations
- No direct Customer.io billing connection is available in Billproof.
- The official public documentation confirms admin-only PDF downloads but provides limited detail about missing-document handling.
- Invoice API availability has not been verified.
Primary evidence
Sources
Last verified August 28, 2026. Vendor interfaces and billing policies can change.
- Download your billing invoice ↗official