A Token Requestor ID (TRID) is the merchant identifier that card networks assign when you enroll in a tokenization program. It ties every network token you provision to your business, not to a payment service provider (PSP) or gateway vault. When a card is tokenized under your TRID, the resulting credential remains yours even if you change acquirer, add a backup processor, or renegotiate your processing contract.
In practice, the TRID is the anchor for portability. PSP-bound tokens (often prefixed pm_* or similar) live inside a processor’s namespace and typically cannot travel when you switch. Scheme tokens issued under a gateway’s TRID inherit the same lock-in. Veliro provisions credentials under your TRID directly with Visa VTS, Mastercard MDES, and American Express AETS, so your application keeps a stable tok_* reference while routing changes underneath.
TRIDs are provisioned through network onboarding and certification. You need one per scheme (or per program variant) and must keep enrollment current as networks update their token service requirements. For subscription merchants and marketplaces with large card-on-file estates, TRID ownership is often the difference between a weekend connection swap and a months-long re-collection campaign.
When evaluating tokenization vendors, ask explicitly: whose TRID appears on the network enrollment, and what happens to stored credentials if you leave? If the answer is the vendor’s or your PSP’s identifier, portability is limited by design. Owning the TRID is the prerequisite for PSP independence.