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Objective-C Concur REST API Examples

Get Access Token using Password Grant Flow
Obtain an OAuth2 access token using credentials that comprise of username, password, client_id, and client_secret.

Refresh Concur Access Token
Demonstrates how to refresh an expired access token (for the Concur API).

Get Concur Access Token using Client Credentials Flow
Demonstrates how to get an OAuth2 Concur access token using the "client credentials" flow.

Revoke a Concur Access Token
Revokes all refresh_tokens associated to a user for an application.

Get Travel Receipt Requests
Retrieves Concur travel receipt requests.

Get Receipts Service Index URLs (endpoints)
Sends a request to get a JSON response that includes the current URLs for all endpoints in the receipt service.

Get Receipt Schemas
Sends a request to get a JSON response that contains a list of JSON validation schemas for available receipt types

Create a Receipt without an Image (from JSON File)
Posts a receipt without an image. A successful POST will result in a 201 status code with an empty response.

Create a Receipt without an Image (from JSON string)
Posts a receipt without an image. A successful POST will result in a 201 status code with an empty response.

Create a Receipt with an Image (from Files)
Posts a receipt without an image. A successful POST will result in a 201 status code with an empty response.

Get Receipt Image (image only)
Downloads a receipt's image.

Get Receipts by User ID
Get receipts for a given user ID.