The fast, API fronted, SQL backed temporary data store for Apps and campaigns.

Post your app or campaign data to the Flash Cache API where it'll be stored for up to 30 days.

Limitations
  • HTTP payloads are limited to 5000 bytes. Any request larger than this will result in a 400 BadRequest response.
  • You will require an Account and API Key to use the service.
  • Your chosen DataKey must not contain spaces or illegal characters, it must be URL safe.
  • Data is stored unencrypted. Flash Cache is not designed for storing personal or sensitive data.
  • The DataKey is unique to the stored object. While the objects value can be changed, the DataKey can not be changed.
HTTP Headers

The following HTTP are headers used by Flash Cache. Those identified as Request are required for the call. Those marked as Response are returned in the HTTP response and should be checked and validated as they contain information such as success status, record counts, error messages etc.

Endpoint Header Details
Request ClientId Unique ID for your account issued at sign-up.
Request Authorization API Key for your App or campaign.
Request ExpiresUtc When the cache item will expire (30 days max).
Request DataKey Unique key for the cached item.
Response RequestId Unique ID for the API request.
Response DataKey The DataKey passed in the original API call.
Response Success Shows if the request was a success.
Response ResponseMessage Human-readable message giving information about the request.
Response ExpiresUtc When the cache item will expire (30 days max).
Response Count The number of objects affected.


Example Use
POST Storing data in Flash Cache

Endpoint

https://api.flashcache.uk/v1/cache/add

Request Headers

 ClientId: v1:uid_79aec251cd938b1313d7f74611f2c0d1abf894f1 
 Authorization: v1:api_c1c9676fc333043a298551158a22ce64a2796d54
 DataKey: campaign-qr-56G_new

JSON Body

{
  "Campaign":
  {
    "Name": "QR Code",
    "ID": "qr-56G_new",
    "Owner": "Natasha"
  }
}

Response from Flash Cache

Status Code

201 Created

Response Headers

 DataKey: campaign-qr-56G_new
 RequestId: v1:req_4525725e314ab03c632b2712f61fff5c96207b70
 ResponseMessage: Created successfully
 Success: true
 ExpiresUtc: 10/04/2026 09:38:52
The Authorization header passes your API key. Keep this key secret.
PUT Updating data in Flash Cache

Endpoint

https://api.flashcache.uk/v1/cache/update

Request Headers

 ClientId: v1:uid_79aec251cd938b1313d7f74611f2c0d1abf894f1 
 Authorization: v1:api_c1c9676fc333043a298551158a22ce64a2796d54
 DataKey: campaign-qr-56G_new

JSON Body

{
  "Campaign":
  {
    "Name": "QR Code",
    "ID": "qr-56G_new",
    "Owner": "Anastasia"
  }
}


Response from Flash Cache

Status Code

200 Ok

Response Headers

 DataKey: campaign-qr-56G_new
 RequestId: v1:req_49308e37f40ddb9a02ba97f0489d1c131326a424
 ResponseMessage: Updated successfully
 Success: true
 ExpiresUtc: 10/04/2026 09:38:52
The Authorization header passes your API key. Keep this key secret.
GET Retrieving data from Flash Cache

Endpoint

https://api.flashcache.uk/v1/cache/get

Request Headers

 ClientId: v1:uid_79aec251cd938b1313d7f74611f2c0d1abf894f1 
 Authorization: v1:api_c1c9676fc333043a298551158a22ce64a2796d54
 DataKey: campaign-qr-56G_new

Response from Flash Cache

Status Code

200 Ok

Response Headers

 DataKey: campaign-qr-56G_new
 RequestId: v1:req_d1c172ab04b5c1f394bf743c5b05a205f9e12511
 ResponseMessage: Object retrieved successfully
 Success: true
 ExpiresUtc: 10/04/2026 09:38:52

JSON Body

{
  "Campaign":
  {
    "Name": "QR Code",
    "ID": "qr-56G_new",
    "Owner": "Anastasia"
  }
}
The Authorization header passes your API key. Keep this key secret.
DELETE Deleting data from Flash Cache

Endpoint

https://api.flashcache.uk/v1/cache/delete

Request Headers

 ClientId: v1:uid_79aec251cd938b1313d7f74611f2c0d1abf894f1 
 Authorization: v1:api_c1c9676fc333043a298551158a22ce64a2796d54
 DataKey: campaign-qr-56G_new

Response from Flash Cache

Status Code

200 Ok

Response Headers

 DataKey: campaign-qr-56G_new
 RequestId: v1:req_19bdb44c7ba386ebcda61e254f414ce618bf4727
 ResponseMessage: Deleted successfully
 Success: true
The Authorization header passes your API key. Keep this key secret.