Create a Proxy Server for an API or API, XML Relay service

Avg Bid (USD)
Project Budget (USD)
$750 - $1500

Project Description:
I am looking to create an API Server that will take an API connection made via XML or JSON and relay that query to another API or XML query.
SMS Gateway Controller / Relay Server.

1. Proxy Server must support an HTTP Post and JSON Request
2. Must be able to create users and logins for the proxy server.
3. Proxy Server must be able to track the # of requests on a per user basis as well as track the status of each request. Completed, not completed etc.
4. SMS Gateway should be able to do simple routing:
a. Load balancing equal – Aka round robin on the gateway selected
b. % Allocation
c. Advance request until completed.
i. Some time of rule that will only allow up to X amount of retries before the message is not sent.
5. Gateways:
a. Multiple vendors API’s will be used for delivery of the SMS Message.
b. Each SMS Gateway shall have its identifying ip address hidden from the requestor.
c. Data should be stored into an MySQL data base for messages that were sent and its status.

Skills required:
HTML, Java, PHP, Software Architecture, XML
About the employer:
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