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We do not guarantee that data submitted to this environment will be retained for longer than one week.\n\n#### Preview (Pre-Production):\n\n**Preview URL** - [https://api.preview.ecg.com](https://api.preview.ecg.com)\n\nUse the provided **Production Token** and **Preview URL endpoint** to send Leads to the ECG Preview environment. This environment uses production data with pre-production code. Any data submitted to this environment will be worked as if it were production data.\n\n#### Production:\n\n**Production URL** - [https://api.prod.ecg.com](https://api.prod.ecg.com)\n\nUse the provided **Production Token** and **Production URL endpoint** to send Leads to the ECG Production environment. This environment uses both production data and production code. Any data submitted to this environment will be worked.\n\nUse this API to:\n\n*   Add a Lead with 1 or 2 owners\n*   Add a Document to a Lead\n*   Get Lead Details\n*   Get Document Details\n    \n\nRefer to [Tips for Using Postman](https://e20co-cdn.s3-us-west-2.amazonaws.com/Tips+for+Using+Postman.pdf) for instructions on where to insert your ECG 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