API version

Addresses

Preview addresses eligible for batch approval Batch-approve addresses Suggest a fill for one blank address Assign the business address to blank transactions Fill the organization's blank-address transactions Count addresses needing attention Re-queue invalid-address transactions for validation Suggest addresses for a partial input Suggest addresses for many inputs Summarize addresses by verification status Update transaction addresses in a batch Validate and enrich an address

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List API keys Create an API key Update an API key Revoke an API key

Attachments

List attachments for a related entity Upload an attachment Get an attachment by id Download an attachment

Billing

Get the organization's chargebee subscription Update the organization's billing contact email Get the organization's billing history chart Start a hosted chargebee checkout Get the organization's billing-lock detail Get the current month's billing estimate List the organization's invoices Download one invoice as a PDF Get usage detail for one invoice Update the organization's subscription plan Create a chargebee self-serve customer portal session Get unbilled usage since the last invoice

Certificate Imports

List certificate imports by review status Approve multiple certificate imports Confirm a bulk certificate upload List certificate imports by upload session Initiate a bulk certificate upload Approve a certificate import Get a certificate import's file URL Reject a certificate import

Compliance Documents

List compliance document catalog Replace one file under a many-file compliance document type Preview a compliance document file Add a file to a many-file compliance document type Add or replace a one-file compliance document

Connections

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Credits

List credits Create a credit

Customers

List customers Create a customer Get a customer by id Update a customer Archive a customer Upsert a customer tax registration by tax id

Exemption Requests

List exemption requests Create an exemption request Get pre-send exemption-request conflicts for a customer List an exemption request's certificates Mark an exemption request completed Resend an exemption request's upload link Send an exemption-request reminder

Exemption Requests (Public)

Get the status of a public exemption request Confirm uploaded certificates for an exemption request Request presigned upload urls for an exemption request

Exemptions

List exemptions Create an exemption Create many exemptions List customers missing certificates Send missing-certificate requests Missing-certificate metrics Upload a certificate for a customer Poll a customer's certificate upload status Get an exemption by id Update an exemption Archive an exemption Upload an exemption certificate Download an exemption certificate

Experience

Dashboard task counts Onboarding step completion status

Filings

List filings Request back-filings List back-filing request options Get the current back-filing terms Approve filings in bulk Pause filings in bulk List filing jurisdictions Summarize filings Get a filing by id Approve a filing List a filing's deferred transactions Pause a filing

Imports

List imports Create an import and get a single-file upload URL Download a CSV import template Create upload targets for one or more CSV files Validate a CSV file Get an import by id Get a download link for an import's error artifact Import the validated rows Start processing an uploaded import

Marketplaces

List marketplaces Get a marketplace by id Update a marketplace's confirmation status List transactions matched to a marketplace Mark every matched transaction as a marketplace sale

Missing Certificates (Public)

Get the status of a public missing-certificate request Confirm uploaded certificates for a missing-certificate request Request presigned upload urls for a missing-certificate request

Nexus

List nexus determinations Export nexus report Get a nexus determination Disregard a nexus List a nexus's exposure history Resolve a nexus's collected-tax exposure

Organization Settings

Get organization settings Update organization settings Get exemption-reminder settings Update exemption-reminder settings

Organizations

Get organization details Update organization details List organizations Create an organization Summarize your organizations Get an organization by id Update an organization Archive an organization

Physical nexus

List physical presences Record a physical presence List the physical presence category catalog Get a physical presence Update a physical presence Delete a physical presence

Products

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Registrations

Get a jurisdiction's registration form List registration jurisdictions Preview registering a jurisdiction List registrations Create a registration Summarize registrations by status Get a registration by id Update a registration Upload an attachment for a registration Set a registration's credentials Reveal a registration's credentials Deregister a registration List a registration's OSS countries Email a registration's password to yourself

Reports

Start a report job Get a report job's status Get a report job's download link

Reports (Public)

Download a report via an emailed link

Tax Estimations

Estimate tax on a transaction

Transactions

List transactions Create a transaction Archive a transaction Export a transaction report Get an export's status List a filing's transactions Get connections' transaction date ranges List transaction sources Summarize transactions Get a transaction by id Update a transaction Update a credit note Update a transaction's addresses Get a transaction's backlink List related transactions Mark or unmark a transaction as tax-only

Users

List organization users List pending organization invitations Invite a user to an organization Revoke a pending organization invitation Update an organization user's role Remove a user from an organization

API reference / Request presigned upload urls for a missing-certificate request

Request presigned upload urls for a missing-certificate request

POST/public/exemption-requests/{token}/missing-certificates/upload-urls

Request one presigned S3 upload target per file for a missing-certificate request. POST each file to its target, then call confirm-upload. Returns 400 if a file type is not supported, 404 if the link is unknown, and 410 if it is no longer available.

Headers

Api-Versiondate

Release date, as YYYY-MM-DD. Defaults to 2026-07-21.

Path parameters

tokenstringRequired

Body

filesPublicUploadFile[]Required

The files to request upload targets for.

Response

filesPublicUploadUrl[]Required

One presigned upload target per requested file.

200

Successful Response

400

The request was invalid.

404

The requested resource was not found.

410

This link is no longer available.

422

The request failed validation.

cURL

POST /public/exemption-requests/{token}/missing-certificates/upload-urls

-H "Api-Version: 2026-07-21"

{

"files": [

{

"fileName": "resale-certificate.pdf",

"mimeType": "application/pdf"

}

]

}

Example request

https://api.trykintsugi.com/public/exemption-requests/{token}/missing-certificates/upload-urls

Response

{

"files": [

{

"fileName": "resale-certificate.pdf",

"certificateImportId": "3f6c2b1e-8a4d-4c2e-9b1f-2d7e5a6c9f10",

"uploadUrlConfig": {

"url": "https://www.example.com",

"fields": [

{

"key": "example-key",

"value": "example-value"

}

]

}

}

]

}

Request presigned upload urls for a missing-certificate request (2026-07-21) | Kintsugi API Reference