> ## Documentation Index > Fetch the complete documentation index at: https://developer.sandbox.co.in/llms.txt > Use this file to discover all available pages before exploring further. # GSTR-1A ECOMA > This API is to get ECOMA Details #### Response body schema ## OpenAPI ````yaml api-reference/gst/compliance/openapi.json GET /gst/compliance/tax-payer/gstrs/gstr-1a/ecoma/{year}/{month} openapi: 3.0.1 info: title: compliance description: >- **GST Compliance API** enables businesses to automate compliance requirements like [Taxpayer verification](https://developer.sandbox.co.in/reference/search-gstin-api), [GSTR Filing](https://developer.sandbox.co.in/reference/gst-taxpayer-authentication), [Generating E-Invoices](https://developer.sandbox.co.in/reference/e-invoice-authentication-api), and [E-Way Bills](https://developer.sandbox.co.in/reference/e-way-bill-authentication-api).We provide these APIs from GSTN-authorised GST Suvidha Providers, handling the encryption-decryption and signing so you don't have to handle the complexities. version: 1.0.0 servers: - url: https://api.sandbox.co.in - url: https://test-api.sandbox.co.in security: [] tags: - name: Public - name: Taxpayer - name: Taxpayer Auth - name: Returns - name: GSTR-1 Documents - name: File GSTR-1 - name: GSTR-2A Documents - name: GSTR-2B Document - name: File GSTR-3B - name: GSTR-4 - name: File GSTR-9 - name: Invoice Management System - name: GSTR-1A Documents - name: File GSTR-1A - name: Ledgers - name: e-Invoice - name: Sales e-Invoices for return period - name: Purchase e-Invoices for return period - name: Front Office Notices - name: Front Office - name: AATO - name: e-Invoice1 - name: Authentication - name: e-Invoice12 - name: E-Way Bill - name: E-Way Bill1 - name: Authentication1 - name: Consignor - name: Consolidated E-Way Bill - name: Multi-Vehicle Movement - name: Consignee - name: Transporter - name: Consolidated E-Way Bill1 - name: Multi-vehicle Movement - name: Common paths: /gst/compliance/tax-payer/gstrs/gstr-1a/ecoma/{year}/{month}: get: tags: - Taxpayer - Returns - GSTR-1A Documents summary: GSTR-1A ECOMA description: This API is to get ECOMA Details operationId: getGstr1aEcoma parameters: - name: year in: path description: Return year, for example `2025`. required: true example: '2026' schema: type: string - name: month in: path description: Return month, for example `04`. required: true example: '04' schema: type: string - name: recipient_gstin in: query description: Optional recipient GSTIN filter. required: false example: 20GRRHF2562D3A3 schema: type: string - name: sub_section in: query description: Optional subsection filter. required: false example: ECOM_B2B schema: type: string - name: authorization in: header description: >- GST taxpayer access token. For token-generation steps, refer to the Generate Taxpayer Session flow and pass the token in the authorization header. required: true example: '{{gsp_access_token}}' schema: type: string - name: x-api-version in: header description: Compliance API version. required: false example: 1.0.0 schema: type: string default: 1.0.0 - name: x-api-key in: header description: API key for identification. required: true example: '{{api_key}}' schema: type: string responses: '200': description: Success content: application/json: schema: type: object properties: {} examples: success: summary: Success value: code: 200 timestamp: 1763446641000 transaction_id: 41bb8041-fb83-4654-8d75-85a19f329158 data: status_cd: '1' data: ecoma: b2ba: - inv: - val: 445677 itms: - num: 100 itm_det: rt: 1 txval: 8456 iamt: 84.56 oinum: DE-1 flag: 'N' inum: de-amd-1 inv_typ: DE pos: '32' idt: 08-03-2023 oidt: 12-03-2023 sply_ty: INTER chksum: >- 6927009f6608b520bb94b0b6890512a91dcc74e5a8723c91280241287058bf66 rtin: 32KLJIP1179C1ZF stin: 33CBCHE8993D1Z5 - inv: - val: 7654654 itms: - num: 300 itm_det: rt: 3 txval: 4567 iamt: 137.01 oinum: test flag: 'N' inum: Test-Amend inv_typ: SEWP pos: '07' idt: 02-03-2023 oidt: 21-03-2023 sply_ty: INTER chksum: >- 6927009f6608b520bb94b0b6890512a91dcc74e5a8723c91280241287058bf66 - val: 13567 itms: - num: 100 itm_det: rt: 1 txval: 14300 iamt: 0 camt: 137.01 samt: 137.01 csamt: 137.01 oinum: test-2 flag: 'N' inum: sezwp-amd inv_typ: SEWOP pos: '37' idt: 19-03-2023 oidt: 21-03-2023 sply_ty: INTER chksum: >- 6927009f6608b520bb94b0b6890512a91dcc74e5a8723c91280241287058bf66 rtin: 32KLJIP1179C1ZF stin: 33CBCHE8993D1Z5 - inv: - val: 345678 itms: - num: 100 itm_det: rt: 1 txval: 65467 iamt: 654.67 oinum: test-1 flag: 'N' inum: test-amd-1 inv_typ: R pos: '37' idt: 14-03-2023 oidt: 15-03-2023 sply_ty: INTER chksum: >- 6927009f6608b520bb94b0b6890512a91dcc74e5a8723c91280241287058bf66 rtin: 32KLJIP1179C1ZF stin: 33CBCHE8993D1Z5 b2ca: - pos: '07' posItms: - flag: 'N' omon: '062022' sply_ty: INTER stin: 33CBCHE8993D1Z5 chksum: >- 6927009f6608b520bb94b0b6890512a91dcc74e5a8723c91280241287058bf66 itms: - csamt: 0 samt: 0 rt: 1.5 txval: 34353 camt: 0 iamt: 515.29 - csamt: 0 samt: 0 rt: 2 txval: 34353 camt: 0 iamt: 515.29 urp2ba: - inv: - val: 98765434 itms: - num: 150 itm_det: rt: 1.5 txval: 7865 iamt: 117.98 oinum: b2cl/test/1 flag: 'N' idt: 10-06-2022 inum: b2cl/test/amd/1 oidt: 17-06-2022 pos: '24' sply_ty: INTER inv_typ: R chksum: >- 6927009f6608b520bb94b0b6890512a91dcc74e5a8723c91280241287058bf66 rtin: 32KLJIP1179C1ZF urp2ca: - itms: - csamt: 0 samt: 0 rt: 1.5 txval: 34353 camt: 0 iamt: 515.29 flag: 'N' pos: '07' omon: '062022' sply_ty: INTER chksum: >- 6927009f6608b520bb94b0b6890512a91dcc74e5a8723c91280241287058bf66 record_not_found: summary: Record Not Found value: code: 200 timestamp: 1782370522567 data: status_cd: '0' error: message: >- No document found in selected financial year. Either this document exists in a different financial year or the document number is incorrect. error_cd: RET11416 transaction_id: cca2b98e-0ec9-4f06-8050-df7d5085eac2 headers: {} deprecated: false security: [] ````