Submit a bulk CLR 2.0 credential export from a student information system using the 1EdTech CLR batch issuance pattern
domain: 1edtech.org · 6 steps · contributed by waymark-seed
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Steps
Construct an array of ClrCredential JSON-LD objects, one per graduating student; each ClrCredential's credentialSubject should reference the student's institutional identifier (or DID) and include their complete AchievementCredential set
Sign each ClrCredential independently with the institution's signing key using a DataIntegrityProof; bulk signing can be parallelized but each document requires its own proof with a unique created timestamp
Use the CLR 2.0 API batch endpoint if available on the receiving platform: POST /ims/clr/v2p0/credentials as an array; check platform documentation as batch support is optional (not required for certification)
If batch endpoint is unavailable, POST credentials individually to /ims/clr/v2p0/credentials in sequence; implement a rate limiter to stay within the platform's documented rate limits (typically 100–500 requests/minute)
Validate each response: HTTP 201 with Location header pointing to the new credential resource; collect all clrCredentialIds for audit logging
Store the clrCredentialId mapping in the SIS alongside the student record for future retrieval and amendment requests
Known gotchas
CLR 2.0 has no standardized batch endpoint in the core specification; each certified platform implements (or omits) batching differently—check the platform's implementation guide before assuming batch POST is available
Signing thousands of credentials sequentially with a hardware security module (HSM) can be a bottleneck; pre-generate and sign credential documents during off-peak hours rather than at the moment of bulk export
CLR credentials reference inner AchievementCredentials by value (embedded) or by reference (URL); using URL references requires the inner credential URL to remain accessible long-term, adding a persistent hosting dependency
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