CARBON OFFSET API
programmatic carbon credit purchases & verified registry retirements
Integrate programmatic carbon credit procurement directly into enterprise software, travel engines, and e-commerce platforms. Sources credits from Verra VCS, Gold Standard, and Indian Carbon Registry (ICR) projects, with every retirement checked by our team.
Institutional Quality Credit Fulfillment
Registry Serial Records
Our team retires every order on the project's registry and records the retirement serial against it.
Anti-Double-Counting
Each order records its registry serial range, and a retirement is only marked complete once our team has checked it.
Vetted Project Portfolios
Access certified afforestation, biochar, renewable transition, and cookstove projects with rigorous additionality validation.
Payload Example
Programmatic Credit Retirement Request
// POST /api/v1/offsets/retire
{
"projectId": "VCS-1845",
"tonnes": 50,
"beneficiaryName": "Acme Corp Global",
"retirementReason": "Q3 2026 Scope 1 Residual Neutralization"
}
// Response: 200 OK
{
"status": "retired",
"registrySerial": "12840-59281-99201-VCS",
"certificateUrl": "https://registry.verra.org/certificates/...",
"ledgerProof": "0x9f4a...e12b"
}