POSTFetch Suggested Fields API

Use Case

This API is used to fetch previously created fields during form creation. Use this to create forms faster

Request Attributes

Content Type : JSON

Head

Attribute	Description
timestamp string(15) optional	EPOCH timestamp of the time at which request is being sent. Example: 1588402269
clientId string(3) optional	Paytm use the merchant key on the basis of clientId parameter value. It requires only if the merchant has more than one key. Example: C11
version string(4) optional	Version of the API. Example: v2
channelId string(3) optional	The parameter value identifies the Channel for which API call is initiated. Possible values: WEB For websites, the value to be passed should be "WEB" , WAP For Mobile websites/App, the value to be passed should be "WAP"
tokenType string mandatory	This parameter identifies whether the API works on checksum authentication. The value to be sent in tokenType is 'AES' for this API.
signature string(108) mandatory	Paytm validates the request and ensures that parameters are not tempered by verifying the signature in the request. For creating the checksum (signature) refer to the steps given in Checksum Logic. Note: Create the signature using the body parameter of the request.

Body

Attribute	Description
mid string(20) mandatory	Paytm provides MID as a unique identifier to each merchant. For your staging MID, click here. You get the production MID post the account activation. Example: INTEGR7769XXXXXX9383
templateId string optional	Template ID unique to a form template

Response Attributes

Content Type : JSON

Head

Attribute	Description
timestamp string(15)	EPOCH timestamp of the time at which response is being sent. Example: 1588402269
clientId string(3)	Paytm use the merchant key on the basis of clientId parameter value. It requires only if the merchant has more than one key. Example: C11
version string(2)	Version of the API passed in the request. Example: v1
channelId string(3)	The parameter value identifies the Channel for which API call is initiated. Possible values: WEB For websites, the value to be passed should be "WEB" , WAP For Mobile websites/App, the value to be passed should be "WAP"
tokenType string	This parameter identifies whether the API works on checksum authentication. The value to be sent in tokenType is 'AES' for this API.
signature string(108)	Paytm validates the request and ensures that parameters are not tempered by verifying the signature in the request. For creating the checksum (signature) refer to the steps given in Checksum Logic. Note: Create the signature using the body parameter of the request.

Body

Attribute

Description

resultInfo

object

This parameter gives the information about the result of the API response

ResultInfo

Attribute	Description
resultCode string	This is the resultCode corresponding to a particular message and is returned to the merchant. It's maximum length is 64. The different result codes corresponding to this API are mentioned below.
resultStatus string	This parameter indicates the status of API call. Possible Values: SUCCESS, FAILED
resultMessage string(256)	This parameter is the result message which contains information about the result.The different result messages corresponding to this API are mentioned below.

mandatoryFields

object

Mandatory fields of template

Fields

Attribute

Description

name

string

Field name

type

string

Type of field
(Text, Date, Numeric, Dropdown)
For Amount: Amount, QuantityAmount

displayText

string

Field display text

helpText

string

Help text for field

constraints

object

Constraints for a field which will be apply in input

Constraints

Attribute	Description
maxLength string	Character maximum length in this field - Text & Numeric Only
minLength string	Character minimum length in this field - Text & Numeric Only
maxValue string	Maximum value of this field - Date & Numeric Only
minValue string	Minimum value of this field - Date & Numeric Only
allowedValues string	Multiple values of this field - Dropdown Only Example: ["Male","Female"]
beforeTransaction boolean	Conditional field (it will use before transaction or not) - Date Only
value string	Amount value For Fixed and Quantity Amount
minQuantity string	Minimum Quantity - For Quantity Amount
maxQuantity string	Maximum Quantity - For Quantity Amount

orientation

string(H, V)

To be displayed vertical or horizontal with respect to previous field
H: Horizontal
V: Vertical

size

string

Size percentage in which field box will be displayed

isEditable

boolean

Field which can be edited by merchant

display

boolean

Field which will be displayed in suggested Fields

mandatory

boolean

Field which will be mandatory while payment

fields

object

Optional fields of template

Fields

Attribute

Description

name

string

Field name

type

string

Type of field
(Text, Date, Numeric, Dropdown)
For Amount: Amount, QuantityAmount

displayText

string

Field display text

helpText

string

Help text for field

constraints

object

Constraints for a field which will be apply in input

Constraints

Attribute	Description
maxLength string	Character maximum length in this field - Text & Numeric Only
minLength string	Character minimum length in this field - Text & Numeric Only
maxValue string	Maximum value of this field - Date & Numeric Only
minValue string	Minimum value of this field - Date & Numeric Only
allowedValues string	Multiple values of this field - Dropdown Only Example: ["Male","Female"]
beforeTransaction boolean	Conditional field (it will use before transaction or not) - Date Only
value string	Amount value For Fixed and Quantity Amount
minQuantity string	Minimum Quantity - For Quantity Amount
maxQuantity string	Maximum Quantity - For Quantity Amount

orientation

string(H, V)

To be displayed vertical or horizontal with respect to previous field
H: Horizontal
V: Vertical

size

string

Size percentage in which field box will be displayed

isEditable

boolean

Field which can be edited by merchant

display

boolean

Field which will be displayed in suggested Fields

mandatory

boolean

Field which will be mandatory while payment

Response Codes & Messages

resultCode	resultStatus	resultMessage
LF_001	SUCCESS	Success
LF_002	FAILED	Invalid Request
501	FAILED	Internal Server Error
502	FAILED	Unknown Error Occurred
5004	FAILED	empty merchant Id.
5028	FAILED	Checksum provided is invalid.
5029	FAILED	request body cannot be empty
5030	FAILED	request head cannot be empty

⇾

Staging

Production

https://securestage.paytmpayments.com/link/form/fetchSuggestedFields copy icon

REQUEST

RESPONSE

CURL

JAVA

NODE

PHP

PYTHON

DOTNET

curl -X POST 'https://securestage.paytmpayments.com/link/form/fetchSuggestedFields' \
--header 'Content-Type: application/json' \
--data '{"body":{"mid":"{mid}"},"head":{"tokenType":"AES","signature":"{signature}"}}'