API Credentials (Application ProgrammingInterface)
> API Certificate & API Signature


-: API stands for Application Programming Interface. An API used to communicate between two programs.
PayPal API credentials uses API username and API password which is different from PayPal account’s
username and password.
-: Apart from API username and API password we need either signature or certificate.
– A certificate is a file having cryptographic information with which system communicates with PayPal.
– A signature is a piece of text that our script uses to communicate with request to PayPal with the
username and password.

How to create an PayPal API Certificate?

– Follow below given steps to generate PayPal API certificates:
Sandbox Test certificate:
-With your PayPal Business account email address, log in to https://developer.paypal.com/

Note: You must have a PayPal business account.

1. Log in to your PayPal Sandbox account.

2. Click on Test Account Link.

3.Click the Profile tab in the My Account sub-menu.

4. From the Profile page, click API Access under the Account Information

5. Click Set up PayPal API credentials and permissions under Option 2 (Request API Credentials)

6. Click Agree and Submit.

7.Displayed Download API Certificate page and download your API certificate
.
8. Click the Download
Certificate
button. You are prompted to download a file called cert_key_pem.txt.
This file is your sandbox API Certificate.

9. Click “Done” button.

10. After that, click on API Credential link on main PayPal account.

11. Shows on API Username, API Password and API Certificate to download in all times.

Live API Certificate:

With your PayPal Business account email address, log in to https://paypal.com/.
1. Log in to your PayPal Live account.
2. Click the Profile tab in the My Account sub-menu.
3. From the Profile page, click API Access under the Account Information.
4. Click Set up PayPal API credentials and permissions under Option 2 (Request API Credentials)
5. Click Agree and Submit.
6. Displayed Download API Certificate page and download your API certificate.
. Click the Download Certificate button. You are prompted to download a file called cert_key_pem.txt.
This file is your live API Certificate.
8. Click “Done” button.
9. After that, click on API Credential link on main PayPal account.
10. Shows on API Username, API Password and API Certificate to download in all times.
1. Log in to your PayPal Sandbox account.

2. Click on Test Account Link.

3. Click the Profile tab in the My Account sub-menu.

4. From the Profile page, click API Access under the Account Information.

5. Click Set up PayPal API signature and permissions under Option 1 (Request API Credentials)

6. Click Agree and Submit.

7. Create API Signature.

8. After that, click on API Credential link on main PayPal account.

9. Shows on API Username, API Password and API Signature.

Live API Signature :

With your PayPal Business account email address, log in to

https://paypal.com/

1. Log in to your PayPal Live account.

2. Click the Profile tab in the My Account sub-menu.

3. From the Profile page, click API Access under the Account Information.

4.Click Set up PayPal API signature and permissions under Option 1 (Request API Credentials)

5. Click Agree and Submit.

6. Create API Signature.

7. After that, click on API Credential link on main PayPal account.

8.Shows on API Username, API Password and API Certificate to download in all times.

How to remove API Signature and create API Certificate on PayPal account?
Sandbox Test certificate:

1. Log in to your PayPal Sandbox account.
2. Click on Test Account Link.
3. Click the Profile tab in the My Account sub-menu.
4. From the Profile page, click API Access under the Account Information
5. ;Click on View API Signature under Option 2
6. Click Remove button.
7. Create new API certificates, click on Request API Credentials.
8. Click Agree and Submit button.
9. Displayed Download API Certificate page and download your API certificate.
10. Click the Download Certificate button. You are prompted to download a file called cert_key_pem.txt. This file is your live API Certificate.
11. Click Done button.
12. After that, click on API Credential link on main PayPal account.
13. Shows on API Username, API Password and API Certificate to download in all times.
Live API Certificate:

1. Log in to your PayPal Live account.

2. Click the Profile tab in the My Account sub-menu.
3. From the Profile page, click API Access under the Account Information.
4. Click on View API Signature under Option 2
5. Click Remove button.
6. Create new API certificates, click on Request API Credentials.
7. Click Agree and Submit.
8. Displayed Download API Certificate page and download your API certificate.
9. Click the Download Certificate button. You are prompted to download a file called cert_key_pem.txt.
This file is your live API Certificate.
10. Click “Done” button.
11. After that, click on API Credential link on main PayPal account.
12. Shows on API Username, API Password and API Certificate to download in all times.

API credentials (Application programming interface):

 PayPayl API Certificates Step1 150x150 How to set API credentials for PayPal website payment pro?                PayPayl API Certificates Step2 150x150 How to set API credentials for PayPal website payment pro?                PayPayl API Certificates Step3 150x150 How to set API credentials for PayPal website payment pro?


    PayPayl API Certificates Step4 150x150 How to set API credentials for PayPal website payment pro?                PayPayl API Certificates Step5 150x150 How to set API credentials for PayPal website payment pro?                PayPayl API Certificates Step6 150x150 How to set API credentials for PayPal website payment pro?


    PayPayl API Certificates Step7 150x150 How to set API credentials for PayPal website payment pro?                PayPayl API Certificates Step8 150x150 How to set API credentials for PayPal website payment pro?                PayPayl API Certificates Step9 150x150 How to set API credentials for PayPal website payment pro?


PayPayl API Signature Step1 150x150 How to set API credentials for PayPal website payment pro?                PayPayl API Signature Step2 150x150 How to set API credentials for PayPal website payment pro?                PayPayl API Signature Step3 150x150 How to set API credentials for PayPal website payment pro?


    PayPayl API Signature Step4 150x150 How to set API credentials for PayPal website payment pro?                PayPayl API Signature Step5 150x150 How to set API credentials for PayPal website payment pro?                 PayPayl API Signature Step6 150x150 How to set API credentials for PayPal website payment pro?


   PayPayl API Signature Step7 150x150 How to set API credentials for PayPal website payment pro?                 PayPayl API Signature Step8 150x150 How to set API credentials for PayPal website payment pro?                PayPayl API Signature Step9 150x150 How to set API credentials for PayPal website payment pro?                 


   Remove PayPayl API Signature Step1 150x150 How to set API credentials for PayPal website payment pro?                 Remove PayPayl API Signature Step2 150x150 How to set API credentials for PayPal website payment pro?                 Remove PayPayl API Signature Step3 150x150 How to set API credentials for PayPal website payment pro?


  Remove PayPayl API Signature Step4 150x150 How to set API credentials for PayPal website payment pro?                Remove PayPayl API Signature Step5 150x150 How to set API credentials for PayPal website payment pro?                Remove PayPayl API Signature Step6 150x150 How to set API credentials for PayPal website payment pro?


  Remove PayPayl API Signature Step7 150x150 How to set API credentials for PayPal website payment pro?                 Remove PayPayl API Signature Step8 150x150 How to set API credentials for PayPal website payment pro?                 Remove PayPayl API Signature Step9 150x150 How to set API credentials for PayPal website payment pro?


  Remove PayPayl API Signature Step7 150x150 How to set API credentials for PayPal website payment pro?                 Remove PayPayl API Signature Step8 150x150 How to set API credentials for PayPal website payment pro?                 Remove PayPayl API Signature Step9 150x150 How to set API credentials for PayPal website payment pro?